Home / 27,932.80-41,899.20-9,212.80

Finding the Fourth Proportional to 27,932.80, 41,899.20 and 9,212.80

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Solution

The fourth proportional to 27,932.80, 41,899.20 and 9,212.80 is: 13,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.80 : 41,899.20 = 9,212.80 : x
  2. Step 2: Convert to fraction form
    27,932.80/41,899.20 = 9,212.80/x
  3. Step 3: Cross multiply
    27,932.80x = 41,899.20 × 9,212.80
  4. Step 4: Simplify right side
    27,932.80x = 386,008,949.76
  5. Step 5: Solve for x
    x = 386,008,949.76/27,932.80
  6. Step 6: Final answer
    x = 13,819.20

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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.