Home / 27,576.15-41,385.09-20,199.78

Finding the Fourth Proportional to 27,576.15, 41,385.09 and 20,199.78

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Solution

The fourth proportional to 27,576.15, 41,385.09 and 20,199.78 is: 30,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.15 : 41,385.09 = 20,199.78 : x
  2. Step 2: Convert to fraction form
    27,576.15/41,385.09 = 20,199.78/x
  3. Step 3: Cross multiply
    27,576.15x = 41,385.09 × 20,199.78
  4. Step 4: Simplify right side
    27,576.15x = 835,969,713.28
  5. Step 5: Solve for x
    x = 835,969,713.28/27,576.15
  6. Step 6: Final answer
    x = 30,314.95

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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.