Home / 27,507.20-41,231.36-12,698.88

Finding the Fourth Proportional to 27,507.20, 41,231.36 and 12,698.88

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Solution

The fourth proportional to 27,507.20, 41,231.36 and 12,698.88 is: 19,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.20 : 41,231.36 = 12,698.88 : x
  2. Step 2: Convert to fraction form
    27,507.20/41,231.36 = 12,698.88/x
  3. Step 3: Cross multiply
    27,507.20x = 41,231.36 × 12,698.88
  4. Step 4: Simplify right side
    27,507.20x = 523,592,092.88
  5. Step 5: Solve for x
    x = 523,592,092.88/27,507.20
  6. Step 6: Final answer
    x = 19,034.73

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1.5x scale

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.