Home / 20,039.52-30,023.62-17,087.88

Finding the Fourth Proportional to 20,039.52, 30,023.62 and 17,087.88

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Solution

The fourth proportional to 20,039.52, 30,023.62 and 17,087.88 is: 25,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.52 : 30,023.62 = 17,087.88 : x
  2. Step 2: Convert to fraction form
    20,039.52/30,023.62 = 17,087.88/x
  3. Step 3: Cross multiply
    20,039.52x = 30,023.62 × 17,087.88
  4. Step 4: Simplify right side
    20,039.52x = 513,040,015.73
  5. Step 5: Solve for x
    x = 513,040,015.73/20,039.52
  6. Step 6: Final answer
    x = 25,601.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.