Home / 27,559.74-38,049.99-18,144.54

Finding the Fourth Proportional to 27,559.74, 38,049.99 and 18,144.54

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Solution

The fourth proportional to 27,559.74, 38,049.99 and 18,144.54 is: 25,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.74 : 38,049.99 = 18,144.54 : x
  2. Step 2: Convert to fraction form
    27,559.74/38,049.99 = 18,144.54/x
  3. Step 3: Cross multiply
    27,559.74x = 38,049.99 × 18,144.54
  4. Step 4: Simplify right side
    27,559.74x = 690,399,565.55
  5. Step 5: Solve for x
    x = 690,399,565.55/27,559.74
  6. Step 6: Final answer
    x = 25,051.02

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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.