Home / 26,805.88-40,209.16-10,161.44

Finding the Fourth Proportional to 26,805.88, 40,209.16 and 10,161.44

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Solution

The fourth proportional to 26,805.88, 40,209.16 and 10,161.44 is: 15,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.88 : 40,209.16 = 10,161.44 : x
  2. Step 2: Convert to fraction form
    26,805.88/40,209.16 = 10,161.44/x
  3. Step 3: Cross multiply
    26,805.88x = 40,209.16 × 10,161.44
  4. Step 4: Simplify right side
    26,805.88x = 408,582,966.79
  5. Step 5: Solve for x
    x = 408,582,966.79/26,805.88
  6. Step 6: Final answer
    x = 15,242.29

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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.