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Finding the Fourth Proportional to 22,798.84, 34,229.76 and 15,761.56

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Solution

The fourth proportional to 22,798.84, 34,229.76 and 15,761.56 is: 23,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.84 : 34,229.76 = 15,761.56 : x
  2. Step 2: Convert to fraction form
    22,798.84/34,229.76 = 15,761.56/x
  3. Step 3: Cross multiply
    22,798.84x = 34,229.76 × 15,761.56
  4. Step 4: Simplify right side
    22,798.84x = 539,514,416.03
  5. Step 5: Solve for x
    x = 539,514,416.03/22,798.84
  6. Step 6: Final answer
    x = 23,664.12

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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.