Home / 38,177.38-57,288.48-15,989.05

Finding the Fourth Proportional to 38,177.38, 57,288.48 and 15,989.05

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Solution

The fourth proportional to 38,177.38, 57,288.48 and 15,989.05 is: 23,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.38 : 57,288.48 = 15,989.05 : x
  2. Step 2: Convert to fraction form
    38,177.38/57,288.48 = 15,989.05/x
  3. Step 3: Cross multiply
    38,177.38x = 57,288.48 × 15,989.05
  4. Step 4: Simplify right side
    38,177.38x = 915,988,371.14
  5. Step 5: Solve for x
    x = 915,988,371.14/38,177.38
  6. Step 6: Final answer
    x = 23,992.96

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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.