Home / 27,211.82-40,834.20-9,680.34

Finding the Fourth Proportional to 27,211.82, 40,834.20 and 9,680.34

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Solution

The fourth proportional to 27,211.82, 40,834.20 and 9,680.34 is: 14,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.82 : 40,834.20 = 9,680.34 : x
  2. Step 2: Convert to fraction form
    27,211.82/40,834.20 = 9,680.34/x
  3. Step 3: Cross multiply
    27,211.82x = 40,834.20 × 9,680.34
  4. Step 4: Simplify right side
    27,211.82x = 395,288,939.63
  5. Step 5: Solve for x
    x = 395,288,939.63/27,211.82
  6. Step 6: Final answer
    x = 14,526.37

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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.