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Finding the Fourth Proportional to 41,597.20, 62,347.20 and 21,865.60

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Solution

The fourth proportional to 41,597.20, 62,347.20 and 21,865.60 is: 32,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,597.20 : 62,347.20 = 21,865.60 : x
  2. Step 2: Convert to fraction form
    41,597.20/62,347.20 = 21,865.60/x
  3. Step 3: Cross multiply
    41,597.20x = 62,347.20 × 21,865.60
  4. Step 4: Simplify right side
    41,597.20x = 1,363,258,936.32
  5. Step 5: Solve for x
    x = 1,363,258,936.32/41,597.20
  6. Step 6: Final answer
    x = 32,772.85

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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.