Home / 38,521.92-57,782.91-15,147.78

Finding the Fourth Proportional to 38,521.92, 57,782.91 and 15,147.78

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Solution

The fourth proportional to 38,521.92, 57,782.91 and 15,147.78 is: 22,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.92 : 57,782.91 = 15,147.78 : x
  2. Step 2: Convert to fraction form
    38,521.92/57,782.91 = 15,147.78/x
  3. Step 3: Cross multiply
    38,521.92x = 57,782.91 × 15,147.78
  4. Step 4: Simplify right side
    38,521.92x = 875,282,808.44
  5. Step 5: Solve for x
    x = 875,282,808.44/38,521.92
  6. Step 6: Final answer
    x = 22,721.68

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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.