Home / 38,257.08-57,397.14-13,635

Finding the Fourth Proportional to 38,257.08, 57,397.14 and 13,635

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Solution

The fourth proportional to 38,257.08, 57,397.14 and 13,635 is: 20,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.08 : 57,397.14 = 13,635 : x
  2. Step 2: Convert to fraction form
    38,257.08/57,397.14 = 13,635/x
  3. Step 3: Cross multiply
    38,257.08x = 57,397.14 × 13,635
  4. Step 4: Simplify right side
    38,257.08x = 782,610,003.90
  5. Step 5: Solve for x
    x = 782,610,003.90/38,257.08
  6. Step 6: Final answer
    x = 20,456.61

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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.