Home / 27,149.07-40,713.60-9,375.21

Finding the Fourth Proportional to 27,149.07, 40,713.60 and 9,375.21

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Solution

The fourth proportional to 27,149.07, 40,713.60 and 9,375.21 is: 14,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.07 : 40,713.60 = 9,375.21 : x
  2. Step 2: Convert to fraction form
    27,149.07/40,713.60 = 9,375.21/x
  3. Step 3: Cross multiply
    27,149.07x = 40,713.60 × 9,375.21
  4. Step 4: Simplify right side
    27,149.07x = 381,698,549.86
  5. Step 5: Solve for x
    x = 381,698,549.86/27,149.07
  6. Step 6: Final answer
    x = 14,059.36

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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.