Home / 38,645.13-57,958.38-10,565.31

Finding the Fourth Proportional to 38,645.13, 57,958.38 and 10,565.31

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Solution

The fourth proportional to 38,645.13, 57,958.38 and 10,565.31 is: 15,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.13 : 57,958.38 = 10,565.31 : x
  2. Step 2: Convert to fraction form
    38,645.13/57,958.38 = 10,565.31/x
  3. Step 3: Cross multiply
    38,645.13x = 57,958.38 × 10,565.31
  4. Step 4: Simplify right side
    38,645.13x = 612,348,251.80
  5. Step 5: Solve for x
    x = 612,348,251.80/38,645.13
  6. Step 6: Final answer
    x = 15,845.42

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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.