Home / 27,631.72-41,451.90-17,315.56

Finding the Fourth Proportional to 27,631.72, 41,451.90 and 17,315.56

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Solution

The fourth proportional to 27,631.72, 41,451.90 and 17,315.56 is: 25,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.72 : 41,451.90 = 17,315.56 : x
  2. Step 2: Convert to fraction form
    27,631.72/41,451.90 = 17,315.56/x
  3. Step 3: Cross multiply
    27,631.72x = 41,451.90 × 17,315.56
  4. Step 4: Simplify right side
    27,631.72x = 717,762,861.56
  5. Step 5: Solve for x
    x = 717,762,861.56/27,631.72
  6. Step 6: Final answer
    x = 25,976.05

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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.