Home / 27,734.62-38,273.76-15,159.37

Finding the Fourth Proportional to 27,734.62, 38,273.76 and 15,159.37

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Solution

The fourth proportional to 27,734.62, 38,273.76 and 15,159.37 is: 20,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.62 : 38,273.76 = 15,159.37 : x
  2. Step 2: Convert to fraction form
    27,734.62/38,273.76 = 15,159.37/x
  3. Step 3: Cross multiply
    27,734.62x = 38,273.76 × 15,159.37
  4. Step 4: Simplify right side
    27,734.62x = 580,206,089.13
  5. Step 5: Solve for x
    x = 580,206,089.13/27,734.62
  6. Step 6: Final answer
    x = 20,919.92

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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.