Home / 18,552.72-27,727.20-13,565.58

Finding the Fourth Proportional to 18,552.72, 27,727.20 and 13,565.58

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Solution

The fourth proportional to 18,552.72, 27,727.20 and 13,565.58 is: 20,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.72 : 27,727.20 = 13,565.58 : x
  2. Step 2: Convert to fraction form
    18,552.72/27,727.20 = 13,565.58/x
  3. Step 3: Cross multiply
    18,552.72x = 27,727.20 × 13,565.58
  4. Step 4: Simplify right side
    18,552.72x = 376,135,549.78
  5. Step 5: Solve for x
    x = 376,135,549.78/18,552.72
  6. Step 6: Final answer
    x = 20,273.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.