Home / 38,091.20-52,565.28-21,324.80

Finding the Fourth Proportional to 38,091.20, 52,565.28 and 21,324.80

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Solution

The fourth proportional to 38,091.20, 52,565.28 and 21,324.80 is: 29,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.20 : 52,565.28 = 21,324.80 : x
  2. Step 2: Convert to fraction form
    38,091.20/52,565.28 = 21,324.80/x
  3. Step 3: Cross multiply
    38,091.20x = 52,565.28 × 21,324.80
  4. Step 4: Simplify right side
    38,091.20x = 1,120,944,082.94
  5. Step 5: Solve for x
    x = 1,120,944,082.94/38,091.20
  6. Step 6: Final answer
    x = 29,427.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.