Home / 27,816.56-41,695.68-13,013

Finding the Fourth Proportional to 27,816.56, 41,695.68 and 13,013

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Solution

The fourth proportional to 27,816.56, 41,695.68 and 13,013 is: 19,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.56 : 41,695.68 = 13,013 : x
  2. Step 2: Convert to fraction form
    27,816.56/41,695.68 = 13,013/x
  3. Step 3: Cross multiply
    27,816.56x = 41,695.68 × 13,013
  4. Step 4: Simplify right side
    27,816.56x = 542,585,883.84
  5. Step 5: Solve for x
    x = 542,585,883.84/27,816.56
  6. Step 6: Final answer
    x = 19,505.86

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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.