Home / 38,665.92-57,982.47-13,712.25

Finding the Fourth Proportional to 38,665.92, 57,982.47 and 13,712.25

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Solution

The fourth proportional to 38,665.92, 57,982.47 and 13,712.25 is: 20,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.92 : 57,982.47 = 13,712.25 : x
  2. Step 2: Convert to fraction form
    38,665.92/57,982.47 = 13,712.25/x
  3. Step 3: Cross multiply
    38,665.92x = 57,982.47 × 13,712.25
  4. Step 4: Simplify right side
    38,665.92x = 795,070,124.26
  5. Step 5: Solve for x
    x = 795,070,124.26/38,665.92
  6. Step 6: Final answer
    x = 20,562.56

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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.