Home / 27,966.15-41,940.30-9,242.70

Finding the Fourth Proportional to 27,966.15, 41,940.30 and 9,242.70

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Solution

The fourth proportional to 27,966.15, 41,940.30 and 9,242.70 is: 13,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.15 : 41,940.30 = 9,242.70 : x
  2. Step 2: Convert to fraction form
    27,966.15/41,940.30 = 9,242.70/x
  3. Step 3: Cross multiply
    27,966.15x = 41,940.30 × 9,242.70
  4. Step 4: Simplify right side
    27,966.15x = 387,641,610.81
  5. Step 5: Solve for x
    x = 387,641,610.81/27,966.15
  6. Step 6: Final answer
    x = 13,861.10

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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.