Home / 20,838.54-31,221.33-17,350.92

Finding the Fourth Proportional to 20,838.54, 31,221.33 and 17,350.92

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Solution

The fourth proportional to 20,838.54, 31,221.33 and 17,350.92 is: 25,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838.54 : 31,221.33 = 17,350.92 : x
  2. Step 2: Convert to fraction form
    20,838.54/31,221.33 = 17,350.92/x
  3. Step 3: Cross multiply
    20,838.54x = 31,221.33 × 17,350.92
  4. Step 4: Simplify right side
    20,838.54x = 541,718,799.12
  5. Step 5: Solve for x
    x = 541,718,799.12/20,838.54
  6. Step 6: Final answer
    x = 25,996.01

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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.