Home / 38,154.24-57,247.76-18,447.52

Finding the Fourth Proportional to 38,154.24, 57,247.76 and 18,447.52

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Solution

The fourth proportional to 38,154.24, 57,247.76 and 18,447.52 is: 27,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.24 : 57,247.76 = 18,447.52 : x
  2. Step 2: Convert to fraction form
    38,154.24/57,247.76 = 18,447.52/x
  3. Step 3: Cross multiply
    38,154.24x = 57,247.76 × 18,447.52
  4. Step 4: Simplify right side
    38,154.24x = 1,056,079,197.56
  5. Step 5: Solve for x
    x = 1,056,079,197.56/38,154.24
  6. Step 6: Final answer
    x = 27,679.21

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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.