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Finding the Fourth Proportional to 29,545.63, 40,788.03 and 22,816.15

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Solution

The fourth proportional to 29,545.63, 40,788.03 and 22,816.15 is: 31,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.63 : 40,788.03 = 22,816.15 : x
  2. Step 2: Convert to fraction form
    29,545.63/40,788.03 = 22,816.15/x
  3. Step 3: Cross multiply
    29,545.63x = 40,788.03 × 22,816.15
  4. Step 4: Simplify right side
    29,545.63x = 930,625,810.68
  5. Step 5: Solve for x
    x = 930,625,810.68/29,545.63
  6. Step 6: Final answer
    x = 31,497.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.