Home / 27,819.80-41,738.62-8,099.54

Finding the Fourth Proportional to 27,819.80, 41,738.62 and 8,099.54

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Solution

The fourth proportional to 27,819.80, 41,738.62 and 8,099.54 is: 12,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.80 : 41,738.62 = 8,099.54 : x
  2. Step 2: Convert to fraction form
    27,819.80/41,738.62 = 8,099.54/x
  3. Step 3: Cross multiply
    27,819.80x = 41,738.62 × 8,099.54
  4. Step 4: Simplify right side
    27,819.80x = 338,063,622.23
  5. Step 5: Solve for x
    x = 338,063,622.23/27,819.80
  6. Step 6: Final answer
    x = 12,151.91

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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.