Home / 27,559.24-38,049.06-18,143.80

Finding the Fourth Proportional to 27,559.24, 38,049.06 and 18,143.80

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Solution

The fourth proportional to 27,559.24, 38,049.06 and 18,143.80 is: 25,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.24 : 38,049.06 = 18,143.80 : x
  2. Step 2: Convert to fraction form
    27,559.24/38,049.06 = 18,143.80/x
  3. Step 3: Cross multiply
    27,559.24x = 38,049.06 × 18,143.80
  4. Step 4: Simplify right side
    27,559.24x = 690,354,534.83
  5. Step 5: Solve for x
    x = 690,354,534.83/27,559.24
  6. Step 6: Final answer
    x = 25,049.84

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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.