Home / 25,540.28-38,297.12-11,488.12

Finding the Fourth Proportional to 25,540.28, 38,297.12 and 11,488.12

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Solution

The fourth proportional to 25,540.28, 38,297.12 and 11,488.12 is: 17,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.28 : 38,297.12 = 11,488.12 : x
  2. Step 2: Convert to fraction form
    25,540.28/38,297.12 = 11,488.12/x
  3. Step 3: Cross multiply
    25,540.28x = 38,297.12 × 11,488.12
  4. Step 4: Simplify right side
    25,540.28x = 439,961,910.21
  5. Step 5: Solve for x
    x = 439,961,910.21/25,540.28
  6. Step 6: Final answer
    x = 17,226.20

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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.