Home / 27,576.78-41,385.96-20,200.14

Finding the Fourth Proportional to 27,576.78, 41,385.96 and 20,200.14

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Solution

The fourth proportional to 27,576.78, 41,385.96 and 20,200.14 is: 30,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.78 : 41,385.96 = 20,200.14 : x
  2. Step 2: Convert to fraction form
    27,576.78/41,385.96 = 20,200.14/x
  3. Step 3: Cross multiply
    27,576.78x = 41,385.96 × 20,200.14
  4. Step 4: Simplify right side
    27,576.78x = 836,002,186.03
  5. Step 5: Solve for x
    x = 836,002,186.03/27,576.78
  6. Step 6: Final answer
    x = 30,315.44

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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.