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Finding the Fourth Proportional to 22,375.44, 33,696.34 and 19,488.60

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Solution

The fourth proportional to 22,375.44, 33,696.34 and 19,488.60 is: 29,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.44 : 33,696.34 = 19,488.60 : x
  2. Step 2: Convert to fraction form
    22,375.44/33,696.34 = 19,488.60/x
  3. Step 3: Cross multiply
    22,375.44x = 33,696.34 × 19,488.60
  4. Step 4: Simplify right side
    22,375.44x = 656,694,491.72
  5. Step 5: Solve for x
    x = 656,694,491.72/22,375.44
  6. Step 6: Final answer
    x = 29,348.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.