Home / 38,259.28-57,354.36-13,629.52

Finding the Fourth Proportional to 38,259.28, 57,354.36 and 13,629.52

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Solution

The fourth proportional to 38,259.28, 57,354.36 and 13,629.52 is: 20,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,259.28 : 57,354.36 = 13,629.52 : x
  2. Step 2: Convert to fraction form
    38,259.28/57,354.36 = 13,629.52/x
  3. Step 3: Cross multiply
    38,259.28x = 57,354.36 × 13,629.52
  4. Step 4: Simplify right side
    38,259.28x = 781,712,396.71
  5. Step 5: Solve for x
    x = 781,712,396.71/38,259.28
  6. Step 6: Final answer
    x = 20,431.97

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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.