Home / 38,488-57,565.20-22,655.28

Finding the Fourth Proportional to 38,488, 57,565.20 and 22,655.28

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Solution

The fourth proportional to 38,488, 57,565.20 and 22,655.28 is: 33,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488 : 57,565.20 = 22,655.28 : x
  2. Step 2: Convert to fraction form
    38,488/57,565.20 = 22,655.28/x
  3. Step 3: Cross multiply
    38,488x = 57,565.20 × 22,655.28
  4. Step 4: Simplify right side
    38,488x = 1,304,155,724.26
  5. Step 5: Solve for x
    x = 1,304,155,724.26/38,488
  6. Step 6: Final answer
    x = 33,884.74

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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.