Home / 20,660.22-30,850.25-16,227.90

Finding the Fourth Proportional to 20,660.22, 30,850.25 and 16,227.90

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Solution

The fourth proportional to 20,660.22, 30,850.25 and 16,227.90 is: 24,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660.22 : 30,850.25 = 16,227.90 : x
  2. Step 2: Convert to fraction form
    20,660.22/30,850.25 = 16,227.90/x
  3. Step 3: Cross multiply
    20,660.22x = 30,850.25 × 16,227.90
  4. Step 4: Simplify right side
    20,660.22x = 500,634,690.84
  5. Step 5: Solve for x
    x = 500,634,690.84/20,660.22
  6. Step 6: Final answer
    x = 24,231.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.