Home / 88,288.40-132,434.04-25,965.20

Finding the Fourth Proportional to 88,288.40, 132,434.04 and 25,965.20

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Solution

The fourth proportional to 88,288.40, 132,434.04 and 25,965.20 is: 38,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,288.40 : 132,434.04 = 25,965.20 : x
  2. Step 2: Convert to fraction form
    88,288.40/132,434.04 = 25,965.20/x
  3. Step 3: Cross multiply
    88,288.40x = 132,434.04 × 25,965.20
  4. Step 4: Simplify right side
    88,288.40x = 3,438,676,335.41
  5. Step 5: Solve for x
    x = 3,438,676,335.41/88,288.40
  6. Step 6: Final answer
    x = 38,948.22

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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.