Home / 27,948.06-41,921.10-12,153.06

Finding the Fourth Proportional to 27,948.06, 41,921.10 and 12,153.06

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Solution

The fourth proportional to 27,948.06, 41,921.10 and 12,153.06 is: 18,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.06 : 41,921.10 = 12,153.06 : x
  2. Step 2: Convert to fraction form
    27,948.06/41,921.10 = 12,153.06/x
  3. Step 3: Cross multiply
    27,948.06x = 41,921.10 × 12,153.06
  4. Step 4: Simplify right side
    27,948.06x = 509,469,643.57
  5. Step 5: Solve for x
    x = 509,469,643.57/27,948.06
  6. Step 6: Final answer
    x = 18,229.16

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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.