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Finding the Fourth Proportional to 22,479.92, 33,736.77 and 8,453.78

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Solution

The fourth proportional to 22,479.92, 33,736.77 and 8,453.78 is: 12,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.92 : 33,736.77 = 8,453.78 : x
  2. Step 2: Convert to fraction form
    22,479.92/33,736.77 = 8,453.78/x
  3. Step 3: Cross multiply
    22,479.92x = 33,736.77 × 8,453.78
  4. Step 4: Simplify right side
    22,479.92x = 285,203,062.81
  5. Step 5: Solve for x
    x = 285,203,062.81/22,479.92
  6. Step 6: Final answer
    x = 12,687.02

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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.