Home / 21,227.24-31,836.66-6,432.68

Finding the Fourth Proportional to 21,227.24, 31,836.66 and 6,432.68

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Solution

The fourth proportional to 21,227.24, 31,836.66 and 6,432.68 is: 9,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.24 : 31,836.66 = 6,432.68 : x
  2. Step 2: Convert to fraction form
    21,227.24/31,836.66 = 6,432.68/x
  3. Step 3: Cross multiply
    21,227.24x = 31,836.66 × 6,432.68
  4. Step 4: Simplify right side
    21,227.24x = 204,795,046.05
  5. Step 5: Solve for x
    x = 204,795,046.05/21,227.24
  6. Step 6: Final answer
    x = 9,647.75

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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.