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Finding the Fourth Proportional to 22,425.75, 33,621.75 and 13,544.10

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Solution

The fourth proportional to 22,425.75, 33,621.75 and 13,544.10 is: 20,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.75 : 33,621.75 = 13,544.10 : x
  2. Step 2: Convert to fraction form
    22,425.75/33,621.75 = 13,544.10/x
  3. Step 3: Cross multiply
    22,425.75x = 33,621.75 × 13,544.10
  4. Step 4: Simplify right side
    22,425.75x = 455,376,344.18
  5. Step 5: Solve for x
    x = 455,376,344.18/22,425.75
  6. Step 6: Final answer
    x = 20,305.96

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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.