Home / 20,227.83-27,914.54-11,275.91

Finding the Fourth Proportional to 20,227.83, 27,914.54 and 11,275.91

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Solution

The fourth proportional to 20,227.83, 27,914.54 and 11,275.91 is: 15,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.83 : 27,914.54 = 11,275.91 : x
  2. Step 2: Convert to fraction form
    20,227.83/27,914.54 = 11,275.91/x
  3. Step 3: Cross multiply
    20,227.83x = 27,914.54 × 11,275.91
  4. Step 4: Simplify right side
    20,227.83x = 314,761,644.78
  5. Step 5: Solve for x
    x = 314,761,644.78/20,227.83
  6. Step 6: Final answer
    x = 15,560.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.