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Finding the Fourth Proportional to 17,757.81, 26,634.20 and 7,232.42

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Solution

The fourth proportional to 17,757.81, 26,634.20 and 7,232.42 is: 10,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.81 : 26,634.20 = 7,232.42 : x
  2. Step 2: Convert to fraction form
    17,757.81/26,634.20 = 7,232.42/x
  3. Step 3: Cross multiply
    17,757.81x = 26,634.20 × 7,232.42
  4. Step 4: Simplify right side
    17,757.81x = 192,629,720.76
  5. Step 5: Solve for x
    x = 192,629,720.76/17,757.81
  6. Step 6: Final answer
    x = 10,847.61

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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.