Home / 27,480.62-41,227.43-21,879.47

Finding the Fourth Proportional to 27,480.62, 41,227.43 and 21,879.47

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Solution

The fourth proportional to 27,480.62, 41,227.43 and 21,879.47 is: 32,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.62 : 41,227.43 = 21,879.47 : x
  2. Step 2: Convert to fraction form
    27,480.62/41,227.43 = 21,879.47/x
  3. Step 3: Cross multiply
    27,480.62x = 41,227.43 × 21,879.47
  4. Step 4: Simplify right side
    27,480.62x = 902,034,311.53
  5. Step 5: Solve for x
    x = 902,034,311.53/27,480.62
  6. Step 6: Final answer
    x = 32,824.38

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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.