Home / 26,872.37-40,309.46-10,229.91

Finding the Fourth Proportional to 26,872.37, 40,309.46 and 10,229.91

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Solution

The fourth proportional to 26,872.37, 40,309.46 and 10,229.91 is: 15,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.37 : 40,309.46 = 10,229.91 : x
  2. Step 2: Convert to fraction form
    26,872.37/40,309.46 = 10,229.91/x
  3. Step 3: Cross multiply
    26,872.37x = 40,309.46 × 10,229.91
  4. Step 4: Simplify right side
    26,872.37x = 412,362,147.95
  5. Step 5: Solve for x
    x = 412,362,147.95/26,872.37
  6. Step 6: Final answer
    x = 15,345.21

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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.