Home / 26,121.57-39,166.56-10,520.97

Finding the Fourth Proportional to 26,121.57, 39,166.56 and 10,520.97

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Solution

The fourth proportional to 26,121.57, 39,166.56 and 10,520.97 is: 15,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.57 : 39,166.56 = 10,520.97 : x
  2. Step 2: Convert to fraction form
    26,121.57/39,166.56 = 10,520.97/x
  3. Step 3: Cross multiply
    26,121.57x = 39,166.56 × 10,520.97
  4. Step 4: Simplify right side
    26,121.57x = 412,070,202.76
  5. Step 5: Solve for x
    x = 412,070,202.76/26,121.57
  6. Step 6: Final answer
    x = 15,775.09

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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.