Home / 27,844.10-38,387.68-22,120.55

Finding the Fourth Proportional to 27,844.10, 38,387.68 and 22,120.55

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Solution

The fourth proportional to 27,844.10, 38,387.68 and 22,120.55 is: 30,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.10 : 38,387.68 = 22,120.55 : x
  2. Step 2: Convert to fraction form
    27,844.10/38,387.68 = 22,120.55/x
  3. Step 3: Cross multiply
    27,844.10x = 38,387.68 × 22,120.55
  4. Step 4: Simplify right side
    27,844.10x = 849,156,594.82
  5. Step 5: Solve for x
    x = 849,156,594.82/27,844.10
  6. Step 6: Final answer
    x = 30,496.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.