Home / 27,150.80-40,711.44-8,425.76

Finding the Fourth Proportional to 27,150.80, 40,711.44 and 8,425.76

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Solution

The fourth proportional to 27,150.80, 40,711.44 and 8,425.76 is: 12,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.80 : 40,711.44 = 8,425.76 : x
  2. Step 2: Convert to fraction form
    27,150.80/40,711.44 = 8,425.76/x
  3. Step 3: Cross multiply
    27,150.80x = 40,711.44 × 8,425.76
  4. Step 4: Simplify right side
    27,150.80x = 343,024,822.69
  5. Step 5: Solve for x
    x = 343,024,822.69/27,150.80
  6. Step 6: Final answer
    x = 12,634.06

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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.