Home / 27,918.18-41,871.06-8,191.44

Finding the Fourth Proportional to 27,918.18, 41,871.06 and 8,191.44

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Solution

The fourth proportional to 27,918.18, 41,871.06 and 8,191.44 is: 12,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.18 : 41,871.06 = 8,191.44 : x
  2. Step 2: Convert to fraction form
    27,918.18/41,871.06 = 8,191.44/x
  3. Step 3: Cross multiply
    27,918.18x = 41,871.06 × 8,191.44
  4. Step 4: Simplify right side
    27,918.18x = 342,984,275.73
  5. Step 5: Solve for x
    x = 342,984,275.73/27,918.18
  6. Step 6: Final answer
    x = 12,285.34

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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.