Home / 38,241.92-57,370.56-13,617.28

Finding the Fourth Proportional to 38,241.92, 57,370.56 and 13,617.28

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Solution

The fourth proportional to 38,241.92, 57,370.56 and 13,617.28 is: 20,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.92 : 57,370.56 = 13,617.28 : x
  2. Step 2: Convert to fraction form
    38,241.92/57,370.56 = 13,617.28/x
  3. Step 3: Cross multiply
    38,241.92x = 57,370.56 × 13,617.28
  4. Step 4: Simplify right side
    38,241.92x = 781,230,979.28
  5. Step 5: Solve for x
    x = 781,230,979.28/38,241.92
  6. Step 6: Final answer
    x = 20,428.65

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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.