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Finding the Fourth Proportional to 24,890.88, 34,350.24 and 13,713.12

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Solution

The fourth proportional to 24,890.88, 34,350.24 and 13,713.12 is: 18,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,890.88 : 34,350.24 = 13,713.12 : x
  2. Step 2: Convert to fraction form
    24,890.88/34,350.24 = 13,713.12/x
  3. Step 3: Cross multiply
    24,890.88x = 34,350.24 × 13,713.12
  4. Step 4: Simplify right side
    24,890.88x = 471,048,963.15
  5. Step 5: Solve for x
    x = 471,048,963.15/24,890.88
  6. Step 6: Final answer
    x = 18,924.56

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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.