Home / 26,481.57-39,721.84-10,686.18

Finding the Fourth Proportional to 26,481.57, 39,721.84 and 10,686.18

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Solution

The fourth proportional to 26,481.57, 39,721.84 and 10,686.18 is: 16,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.57 : 39,721.84 = 10,686.18 : x
  2. Step 2: Convert to fraction form
    26,481.57/39,721.84 = 10,686.18/x
  3. Step 3: Cross multiply
    26,481.57x = 39,721.84 × 10,686.18
  4. Step 4: Simplify right side
    26,481.57x = 424,474,732.17
  5. Step 5: Solve for x
    x = 424,474,732.17/26,481.57
  6. Step 6: Final answer
    x = 16,029.06

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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.