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Finding the Fourth Proportional to 25,265.60, 37,821.60 and 22,500.80

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Solution

The fourth proportional to 25,265.60, 37,821.60 and 22,500.80 is: 33,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.60 : 37,821.60 = 22,500.80 : x
  2. Step 2: Convert to fraction form
    25,265.60/37,821.60 = 22,500.80/x
  3. Step 3: Cross multiply
    25,265.60x = 37,821.60 × 22,500.80
  4. Step 4: Simplify right side
    25,265.60x = 851,016,257.28
  5. Step 5: Solve for x
    x = 851,016,257.28/25,265.60
  6. Step 6: Final answer
    x = 33,682.80

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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.