Home / 18,650.24-27,949.15-15,865.91

Finding the Fourth Proportional to 18,650.24, 27,949.15 and 15,865.91

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Solution

The fourth proportional to 18,650.24, 27,949.15 and 15,865.91 is: 23,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.24 : 27,949.15 = 15,865.91 : x
  2. Step 2: Convert to fraction form
    18,650.24/27,949.15 = 15,865.91/x
  3. Step 3: Cross multiply
    18,650.24x = 27,949.15 × 15,865.91
  4. Step 4: Simplify right side
    18,650.24x = 443,438,594.13
  5. Step 5: Solve for x
    x = 443,438,594.13/18,650.24
  6. Step 6: Final answer
    x = 23,776.56

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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.