Home / 27,532.38-37,954.68-20,351.70

Finding the Fourth Proportional to 27,532.38, 37,954.68 and 20,351.70

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Solution

The fourth proportional to 27,532.38, 37,954.68 and 20,351.70 is: 28,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,532.38 : 37,954.68 = 20,351.70 : x
  2. Step 2: Convert to fraction form
    27,532.38/37,954.68 = 20,351.70/x
  3. Step 3: Cross multiply
    27,532.38x = 37,954.68 × 20,351.70
  4. Step 4: Simplify right side
    27,532.38x = 772,442,260.96
  5. Step 5: Solve for x
    x = 772,442,260.96/27,532.38
  6. Step 6: Final answer
    x = 28,055.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.