Home / 28,296.27-42,450.68-10,766.25

Finding the Fourth Proportional to 28,296.27, 42,450.68 and 10,766.25

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Solution

The fourth proportional to 28,296.27, 42,450.68 and 10,766.25 is: 16,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.27 : 42,450.68 = 10,766.25 : x
  2. Step 2: Convert to fraction form
    28,296.27/42,450.68 = 10,766.25/x
  3. Step 3: Cross multiply
    28,296.27x = 42,450.68 × 10,766.25
  4. Step 4: Simplify right side
    28,296.27x = 457,034,660.47
  5. Step 5: Solve for x
    x = 457,034,660.47/28,296.27
  6. Step 6: Final answer
    x = 16,151.76

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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.