Home / 38,553.28-57,829.92-12,258.02

Finding the Fourth Proportional to 38,553.28, 57,829.92 and 12,258.02

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Solution

The fourth proportional to 38,553.28, 57,829.92 and 12,258.02 is: 18,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.28 : 57,829.92 = 12,258.02 : x
  2. Step 2: Convert to fraction form
    38,553.28/57,829.92 = 12,258.02/x
  3. Step 3: Cross multiply
    38,553.28x = 57,829.92 × 12,258.02
  4. Step 4: Simplify right side
    38,553.28x = 708,880,315.96
  5. Step 5: Solve for x
    x = 708,880,315.96/38,553.28
  6. Step 6: Final answer
    x = 18,387.03

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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.