Home / 27,821.20-41,734.50-8,099.32

Finding the Fourth Proportional to 27,821.20, 41,734.50 and 8,099.32

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Solution

The fourth proportional to 27,821.20, 41,734.50 and 8,099.32 is: 12,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.20 : 41,734.50 = 8,099.32 : x
  2. Step 2: Convert to fraction form
    27,821.20/41,734.50 = 8,099.32/x
  3. Step 3: Cross multiply
    27,821.20x = 41,734.50 × 8,099.32
  4. Step 4: Simplify right side
    27,821.20x = 338,021,070.54
  5. Step 5: Solve for x
    x = 338,021,070.54/27,821.20
  6. Step 6: Final answer
    x = 12,149.77

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1.5x scale

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.