Home / 27,418.50-37,836.68-15,481.12

Finding the Fourth Proportional to 27,418.50, 37,836.68 and 15,481.12

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Solution

The fourth proportional to 27,418.50, 37,836.68 and 15,481.12 is: 21,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.50 : 37,836.68 = 15,481.12 : x
  2. Step 2: Convert to fraction form
    27,418.50/37,836.68 = 15,481.12/x
  3. Step 3: Cross multiply
    27,418.50x = 37,836.68 × 15,481.12
  4. Step 4: Simplify right side
    27,418.50x = 585,754,183.48
  5. Step 5: Solve for x
    x = 585,754,183.48/27,418.50
  6. Step 6: Final answer
    x = 21,363.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.