Home / 38,565.98-57,834.36-21,026.26

Finding the Fourth Proportional to 38,565.98, 57,834.36 and 21,026.26

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Solution

The fourth proportional to 38,565.98, 57,834.36 and 21,026.26 is: 31,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.98 : 57,834.36 = 21,026.26 : x
  2. Step 2: Convert to fraction form
    38,565.98/57,834.36 = 21,026.26/x
  3. Step 3: Cross multiply
    38,565.98x = 57,834.36 × 21,026.26
  4. Step 4: Simplify right side
    38,565.98x = 1,216,040,001.12
  5. Step 5: Solve for x
    x = 1,216,040,001.12/38,565.98
  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.