Home / 38,659.78-57,996.96-15,288.04

Finding the Fourth Proportional to 38,659.78, 57,996.96 and 15,288.04

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Solution

The fourth proportional to 38,659.78, 57,996.96 and 15,288.04 is: 22,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.78 : 57,996.96 = 15,288.04 : x
  2. Step 2: Convert to fraction form
    38,659.78/57,996.96 = 15,288.04/x
  3. Step 3: Cross multiply
    38,659.78x = 57,996.96 × 15,288.04
  4. Step 4: Simplify right side
    38,659.78x = 886,659,844.36
  5. Step 5: Solve for x
    x = 886,659,844.36/38,659.78
  6. Step 6: Final answer
    x = 22,934.94

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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.