Home / 27,734.68-38,273.76-15,159.42

Finding the Fourth Proportional to 27,734.68, 38,273.76 and 15,159.42

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Solution

The fourth proportional to 27,734.68, 38,273.76 and 15,159.42 is: 20,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.68 : 38,273.76 = 15,159.42 : x
  2. Step 2: Convert to fraction form
    27,734.68/38,273.76 = 15,159.42/x
  3. Step 3: Cross multiply
    27,734.68x = 38,273.76 × 15,159.42
  4. Step 4: Simplify right side
    27,734.68x = 580,208,002.82
  5. Step 5: Solve for x
    x = 580,208,002.82/27,734.68
  6. Step 6: Final answer
    x = 20,919.95

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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.