Home / 27,593.75-38,079.38-15,018.59

Finding the Fourth Proportional to 27,593.75, 38,079.38 and 15,018.59

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Solution

The fourth proportional to 27,593.75, 38,079.38 and 15,018.59 is: 20,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.75 : 38,079.38 = 15,018.59 : x
  2. Step 2: Convert to fraction form
    27,593.75/38,079.38 = 15,018.59/x
  3. Step 3: Cross multiply
    27,593.75x = 38,079.38 × 15,018.59
  4. Step 4: Simplify right side
    27,593.75x = 571,898,520.58
  5. Step 5: Solve for x
    x = 571,898,520.58/27,593.75
  6. Step 6: Final answer
    x = 20,725.65

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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.