Home / 27,657.24-41,488.20-12,085.80

Finding the Fourth Proportional to 27,657.24, 41,488.20 and 12,085.80

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Solution

The fourth proportional to 27,657.24, 41,488.20 and 12,085.80 is: 18,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.24 : 41,488.20 = 12,085.80 : x
  2. Step 2: Convert to fraction form
    27,657.24/41,488.20 = 12,085.80/x
  3. Step 3: Cross multiply
    27,657.24x = 41,488.20 × 12,085.80
  4. Step 4: Simplify right side
    27,657.24x = 501,418,087.56
  5. Step 5: Solve for x
    x = 501,418,087.56/27,657.24
  6. Step 6: Final answer
    x = 18,129.72

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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.