Home / 38,561.92-57,803.76-15,179.20

Finding the Fourth Proportional to 38,561.92, 57,803.76 and 15,179.20

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Solution

The fourth proportional to 38,561.92, 57,803.76 and 15,179.20 is: 22,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.92 : 57,803.76 = 15,179.20 : x
  2. Step 2: Convert to fraction form
    38,561.92/57,803.76 = 15,179.20/x
  3. Step 3: Cross multiply
    38,561.92x = 57,803.76 × 15,179.20
  4. Step 4: Simplify right side
    38,561.92x = 877,414,833.79
  5. Step 5: Solve for x
    x = 877,414,833.79/38,561.92
  6. Step 6: Final answer
    x = 22,753.40

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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.