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Finding the Fourth Proportional to 24,791.62, 34,212.90 and 13,613.62

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Solution

The fourth proportional to 24,791.62, 34,212.90 and 13,613.62 is: 18,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,791.62 : 34,212.90 = 13,613.62 : x
  2. Step 2: Convert to fraction form
    24,791.62/34,212.90 = 13,613.62/x
  3. Step 3: Cross multiply
    24,791.62x = 34,212.90 × 13,613.62
  4. Step 4: Simplify right side
    24,791.62x = 465,761,419.70
  5. Step 5: Solve for x
    x = 465,761,419.70/24,791.62
  6. Step 6: Final answer
    x = 18,787.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.