Home / 27,308.54-40,972.82-11,517.54

Finding the Fourth Proportional to 27,308.54, 40,972.82 and 11,517.54

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Solution

The fourth proportional to 27,308.54, 40,972.82 and 11,517.54 is: 17,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.54 : 40,972.82 = 11,517.54 : x
  2. Step 2: Convert to fraction form
    27,308.54/40,972.82 = 11,517.54/x
  3. Step 3: Cross multiply
    27,308.54x = 40,972.82 × 11,517.54
  4. Step 4: Simplify right side
    27,308.54x = 471,906,035.68
  5. Step 5: Solve for x
    x = 471,906,035.68/27,308.54
  6. Step 6: Final answer
    x = 17,280.53

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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.