Home / 17,286.56-23,805.27-15,016.87

Finding the Fourth Proportional to 17,286.56, 23,805.27 and 15,016.87

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Solution

The fourth proportional to 17,286.56, 23,805.27 and 15,016.87 is: 20,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.56 : 23,805.27 = 15,016.87 : x
  2. Step 2: Convert to fraction form
    17,286.56/23,805.27 = 15,016.87/x
  3. Step 3: Cross multiply
    17,286.56x = 23,805.27 × 15,016.87
  4. Step 4: Simplify right side
    17,286.56x = 357,480,565.47
  5. Step 5: Solve for x
    x = 357,480,565.47/17,286.56
  6. Step 6: Final answer
    x = 20,679.68

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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.