Home / 27,819.20-41,729.36-9,099.32

Finding the Fourth Proportional to 27,819.20, 41,729.36 and 9,099.32

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Solution

The fourth proportional to 27,819.20, 41,729.36 and 9,099.32 is: 13,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.20 : 41,729.36 = 9,099.32 : x
  2. Step 2: Convert to fraction form
    27,819.20/41,729.36 = 9,099.32/x
  3. Step 3: Cross multiply
    27,819.20x = 41,729.36 × 9,099.32
  4. Step 4: Simplify right side
    27,819.20x = 379,708,800.04
  5. Step 5: Solve for x
    x = 379,708,800.04/27,819.20
  6. Step 6: Final answer
    x = 13,649.16

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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.