The fourth proportionate to 5, 8, 15, is as follows:
A. 18
B. 24
C. 19
D. 20
Answer:B
The fourth proportionate to 5, 8, 15, is as follows:
A. 18 B. 24 C. 19 D. 20
Explanation: Let x be the fourth proportional to 5, 8, 15, and y be the fifth proportional to 5, 8, 15, and y be the fifth proportional to,After that, 5 : 8 : 15 : x,5 times Equals (8 x 15),x = (eight times fifteen) divided by five equals twenty-four.