Home / 27,249.75-40,884.89-8,781.75

Finding the Fourth Proportional to 27,249.75, 40,884.89 and 8,781.75

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Solution

The fourth proportional to 27,249.75, 40,884.89 and 8,781.75 is: 13,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.75 : 40,884.89 = 8,781.75 : x
  2. Step 2: Convert to fraction form
    27,249.75/40,884.89 = 8,781.75/x
  3. Step 3: Cross multiply
    27,249.75x = 40,884.89 × 8,781.75
  4. Step 4: Simplify right side
    27,249.75x = 359,040,838.85
  5. Step 5: Solve for x
    x = 359,040,838.85/27,249.75
  6. Step 6: Final answer
    x = 13,175.93

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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.