Home / 27,121.82-40,672.60-9,347.51

Finding the Fourth Proportional to 27,121.82, 40,672.60 and 9,347.51

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Solution

The fourth proportional to 27,121.82, 40,672.60 and 9,347.51 is: 14,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.82 : 40,672.60 = 9,347.51 : x
  2. Step 2: Convert to fraction form
    27,121.82/40,672.60 = 9,347.51/x
  3. Step 3: Cross multiply
    27,121.82x = 40,672.60 × 9,347.51
  4. Step 4: Simplify right side
    27,121.82x = 380,187,613.54
  5. Step 5: Solve for x
    x = 380,187,613.54/27,121.82
  6. Step 6: Final answer
    x = 14,017.78

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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.