Home / 28,982.25-43,473.39-8,205.75

Finding the Fourth Proportional to 28,982.25, 43,473.39 and 8,205.75

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Solution

The fourth proportional to 28,982.25, 43,473.39 and 8,205.75 is: 12,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.25 : 43,473.39 = 8,205.75 : x
  2. Step 2: Convert to fraction form
    28,982.25/43,473.39 = 8,205.75/x
  3. Step 3: Cross multiply
    28,982.25x = 43,473.39 × 8,205.75
  4. Step 4: Simplify right side
    28,982.25x = 356,731,769.99
  5. Step 5: Solve for x
    x = 356,731,769.99/28,982.25
  6. Step 6: Final answer
    x = 12,308.63

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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.