Home / 38,389.76-57,610.56-15,013.28

Finding the Fourth Proportional to 38,389.76, 57,610.56 and 15,013.28

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Solution

The fourth proportional to 38,389.76, 57,610.56 and 15,013.28 is: 22,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.76 : 57,610.56 = 15,013.28 : x
  2. Step 2: Convert to fraction form
    38,389.76/57,610.56 = 15,013.28/x
  3. Step 3: Cross multiply
    38,389.76x = 57,610.56 × 15,013.28
  4. Step 4: Simplify right side
    38,389.76x = 864,923,468.24
  5. Step 5: Solve for x
    x = 864,923,468.24/38,389.76
  6. Step 6: Final answer
    x = 22,530.06

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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.