Home / 38,493.92-57,730.68-15,120.56

Finding the Fourth Proportional to 38,493.92, 57,730.68 and 15,120.56

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Solution

The fourth proportional to 38,493.92, 57,730.68 and 15,120.56 is: 22,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.92 : 57,730.68 = 15,120.56 : x
  2. Step 2: Convert to fraction form
    38,493.92/57,730.68 = 15,120.56/x
  3. Step 3: Cross multiply
    38,493.92x = 57,730.68 × 15,120.56
  4. Step 4: Simplify right side
    38,493.92x = 872,920,210.78
  5. Step 5: Solve for x
    x = 872,920,210.78/38,493.92
  6. Step 6: Final answer
    x = 22,676.83

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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.