Finding the Fourth Proportional to 24,515.70, 36,771.71 and 8,720.09
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Solution
The fourth proportional to 24,515.70, 36,771.71 and 8,720.09 is: 13,079.48
Step by Step Solution
- Step 1: Write the proportion equation
24,515.70 : 36,771.71 = 8,720.09 : x - Step 2: Convert to fraction form
24,515.70/36,771.71 = 8,720.09/x - Step 3: Cross multiply
24,515.70x = 36,771.71 × 8,720.09 - Step 4: Simplify right side
24,515.70x = 320,652,531.09 - Step 5: Solve for x
x = 320,652,531.09/24,515.70 - Step 6: Final answer
x = 13,079.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.