Home / 20,418.24-30,633.50-16,892.31

Finding the Fourth Proportional to 20,418.24, 30,633.50 and 16,892.31

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Solution

The fourth proportional to 20,418.24, 30,633.50 and 16,892.31 is: 25,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418.24 : 30,633.50 = 16,892.31 : x
  2. Step 2: Convert to fraction form
    20,418.24/30,633.50 = 16,892.31/x
  3. Step 3: Cross multiply
    20,418.24x = 30,633.50 × 16,892.31
  4. Step 4: Simplify right side
    20,418.24x = 517,470,620.62
  5. Step 5: Solve for x
    x = 517,470,620.62/20,418.24
  6. Step 6: Final answer
    x = 25,343.55

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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.