Home / 38,169.60-57,148.68-28,781.16

Finding the Fourth Proportional to 38,169.60, 57,148.68 and 28,781.16

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Solution

The fourth proportional to 38,169.60, 57,148.68 and 28,781.16 is: 43,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.60 : 57,148.68 = 28,781.16 : x
  2. Step 2: Convert to fraction form
    38,169.60/57,148.68 = 28,781.16/x
  3. Step 3: Cross multiply
    38,169.60x = 57,148.68 × 28,781.16
  4. Step 4: Simplify right side
    38,169.60x = 1,644,805,302.87
  5. Step 5: Solve for x
    x = 1,644,805,302.87/38,169.60
  6. Step 6: Final answer
    x = 43,092.02

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1.5x scale

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.