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Finding the Fourth Proportional to 22,620.63, 33,926.24 and 8,575.81

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Solution

The fourth proportional to 22,620.63, 33,926.24 and 8,575.81 is: 12,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.63 : 33,926.24 = 8,575.81 : x
  2. Step 2: Convert to fraction form
    22,620.63/33,926.24 = 8,575.81/x
  3. Step 3: Cross multiply
    22,620.63x = 33,926.24 × 8,575.81
  4. Step 4: Simplify right side
    22,620.63x = 290,944,945.38
  5. Step 5: Solve for x
    x = 290,944,945.38/22,620.63
  6. Step 6: Final answer
    x = 12,861.93

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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.