Home / 38,565.97-57,834.36-21,026.25

Finding the Fourth Proportional to 38,565.97, 57,834.36 and 21,026.25

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Solution

The fourth proportional to 38,565.97, 57,834.36 and 21,026.25 is: 31,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.97 : 57,834.36 = 21,026.25 : x
  2. Step 2: Convert to fraction form
    38,565.97/57,834.36 = 21,026.25/x
  3. Step 3: Cross multiply
    38,565.97x = 57,834.36 × 21,026.25
  4. Step 4: Simplify right side
    38,565.97x = 1,216,039,711.95
  5. Step 5: Solve for x
    x = 1,216,039,711.95/38,565.97
  6. Step 6: Final answer
    x = 31,531.42

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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.