Home / 27,891.14-38,452.62-20,227.52

Finding the Fourth Proportional to 27,891.14, 38,452.62 and 20,227.52

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Solution

The fourth proportional to 27,891.14, 38,452.62 and 20,227.52 is: 27,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.14 : 38,452.62 = 20,227.52 : x
  2. Step 2: Convert to fraction form
    27,891.14/38,452.62 = 20,227.52/x
  3. Step 3: Cross multiply
    27,891.14x = 38,452.62 × 20,227.52
  4. Step 4: Simplify right side
    27,891.14x = 777,801,236.23
  5. Step 5: Solve for x
    x = 777,801,236.23/27,891.14
  6. Step 6: Final answer
    x = 27,887.04

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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.