Home / 25,487.91-38,231.85-7,959.24

Finding the Fourth Proportional to 25,487.91, 38,231.85 and 7,959.24

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Solution

The fourth proportional to 25,487.91, 38,231.85 and 7,959.24 is: 11,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.91 : 38,231.85 = 7,959.24 : x
  2. Step 2: Convert to fraction form
    25,487.91/38,231.85 = 7,959.24/x
  3. Step 3: Cross multiply
    25,487.91x = 38,231.85 × 7,959.24
  4. Step 4: Simplify right side
    25,487.91x = 304,296,469.79
  5. Step 5: Solve for x
    x = 304,296,469.79/25,487.91
  6. Step 6: Final answer
    x = 11,938.86

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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.