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Finding the Fourth Proportional to 22,651.92, 34,005.96 and 12,799.08

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Solution

The fourth proportional to 22,651.92, 34,005.96 and 12,799.08 is: 19,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.92 : 34,005.96 = 12,799.08 : x
  2. Step 2: Convert to fraction form
    22,651.92/34,005.96 = 12,799.08/x
  3. Step 3: Cross multiply
    22,651.92x = 34,005.96 × 12,799.08
  4. Step 4: Simplify right side
    22,651.92x = 435,245,002.52
  5. Step 5: Solve for x
    x = 435,245,002.52/22,651.92
  6. Step 6: Final answer
    x = 19,214.49

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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.