Home / 17,891.28-24,679.57-15,071.87

Finding the Fourth Proportional to 17,891.28, 24,679.57 and 15,071.87

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Solution

The fourth proportional to 17,891.28, 24,679.57 and 15,071.87 is: 20,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.28 : 24,679.57 = 15,071.87 : x
  2. Step 2: Convert to fraction form
    17,891.28/24,679.57 = 15,071.87/x
  3. Step 3: Cross multiply
    17,891.28x = 24,679.57 × 15,071.87
  4. Step 4: Simplify right side
    17,891.28x = 371,967,270.70
  5. Step 5: Solve for x
    x = 371,967,270.70/17,891.28
  6. Step 6: Final answer
    x = 20,790.42

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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.