Home / 15,115.22-22,672.79-4,021.90

Finding the Fourth Proportional to 15,115.22, 22,672.79 and 4,021.90

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Solution

The fourth proportional to 15,115.22, 22,672.79 and 4,021.90 is: 6,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.22 : 22,672.79 = 4,021.90 : x
  2. Step 2: Convert to fraction form
    15,115.22/22,672.79 = 4,021.90/x
  3. Step 3: Cross multiply
    15,115.22x = 22,672.79 × 4,021.90
  4. Step 4: Simplify right side
    15,115.22x = 91,187,732.50
  5. Step 5: Solve for x
    x = 91,187,732.50/15,115.22
  6. Step 6: Final answer
    x = 6,032.84

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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.