Home / 27,943.38-41,877.90-20,512.98

Finding the Fourth Proportional to 27,943.38, 41,877.90 and 20,512.98

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Solution

The fourth proportional to 27,943.38, 41,877.90 and 20,512.98 is: 30,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.38 : 41,877.90 = 20,512.98 : x
  2. Step 2: Convert to fraction form
    27,943.38/41,877.90 = 20,512.98/x
  3. Step 3: Cross multiply
    27,943.38x = 41,877.90 × 20,512.98
  4. Step 4: Simplify right side
    27,943.38x = 859,040,525.14
  5. Step 5: Solve for x
    x = 859,040,525.14/27,943.38
  6. Step 6: Final answer
    x = 30,742.18

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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.