Home / 28,808.50-43,229.76-12,167.44

Finding the Fourth Proportional to 28,808.50, 43,229.76 and 12,167.44

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Solution

The fourth proportional to 28,808.50, 43,229.76 and 12,167.44 is: 18,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.50 : 43,229.76 = 12,167.44 : x
  2. Step 2: Convert to fraction form
    28,808.50/43,229.76 = 12,167.44/x
  3. Step 3: Cross multiply
    28,808.50x = 43,229.76 × 12,167.44
  4. Step 4: Simplify right side
    28,808.50x = 525,995,511.01
  5. Step 5: Solve for x
    x = 525,995,511.01/28,808.50
  6. Step 6: Final answer
    x = 18,258.34

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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.