Home / 27,170.97-40,696.24-20,884.70

Finding the Fourth Proportional to 27,170.97, 40,696.24 and 20,884.70

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Solution

The fourth proportional to 27,170.97, 40,696.24 and 20,884.70 is: 31,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.97 : 40,696.24 = 20,884.70 : x
  2. Step 2: Convert to fraction form
    27,170.97/40,696.24 = 20,884.70/x
  3. Step 3: Cross multiply
    27,170.97x = 40,696.24 × 20,884.70
  4. Step 4: Simplify right side
    27,170.97x = 849,928,763.53
  5. Step 5: Solve for x
    x = 849,928,763.53/27,170.97
  6. Step 6: Final answer
    x = 31,280.77

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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.