Home / 20,252.43-30,278.81-17,166.94

Finding the Fourth Proportional to 20,252.43, 30,278.81 and 17,166.94

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Solution

The fourth proportional to 20,252.43, 30,278.81 and 17,166.94 is: 25,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.43 : 30,278.81 = 17,166.94 : x
  2. Step 2: Convert to fraction form
    20,252.43/30,278.81 = 17,166.94/x
  3. Step 3: Cross multiply
    20,252.43x = 30,278.81 × 17,166.94
  4. Step 4: Simplify right side
    20,252.43x = 519,794,481.76
  5. Step 5: Solve for x
    x = 519,794,481.76/20,252.43
  6. Step 6: Final answer
    x = 25,665.78

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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.