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Finding the Fourth Proportional to 27,868.18, 41,801.46 and 8,147.20

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Solution

The fourth proportional to 27,868.18, 41,801.46 and 8,147.20 is: 12,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.18 : 41,801.46 = 8,147.20 : x
  2. Step 2: Convert to fraction form
    27,868.18/41,801.46 = 8,147.20/x
  3. Step 3: Cross multiply
    27,868.18x = 41,801.46 × 8,147.20
  4. Step 4: Simplify right side
    27,868.18x = 340,564,854.91
  5. Step 5: Solve for x
    x = 340,564,854.91/27,868.18
  6. Step 6: Final answer
    x = 12,220.56

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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.