Home / 27,414.35-37,829.68-15,478.86

Finding the Fourth Proportional to 27,414.35, 37,829.68 and 15,478.86

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Solution

The fourth proportional to 27,414.35, 37,829.68 and 15,478.86 is: 21,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,414.35 : 37,829.68 = 15,478.86 : x
  2. Step 2: Convert to fraction form
    27,414.35/37,829.68 = 15,478.86/x
  3. Step 3: Cross multiply
    27,414.35x = 37,829.68 × 15,478.86
  4. Step 4: Simplify right side
    27,414.35x = 585,560,320.56
  5. Step 5: Solve for x
    x = 585,560,320.56/27,414.35
  6. Step 6: Final answer
    x = 21,359.63

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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.