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Finding the Fourth Proportional to 24,375.97, 33,638.42 and 13,621.01

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Solution

The fourth proportional to 24,375.97, 33,638.42 and 13,621.01 is: 18,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,375.97 : 33,638.42 = 13,621.01 : x
  2. Step 2: Convert to fraction form
    24,375.97/33,638.42 = 13,621.01/x
  3. Step 3: Cross multiply
    24,375.97x = 33,638.42 × 13,621.01
  4. Step 4: Simplify right side
    24,375.97x = 458,189,373.35
  5. Step 5: Solve for x
    x = 458,189,373.35/24,375.97
  6. Step 6: Final answer
    x = 18,796.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.