Home / 26,173.62-36,134.39-20,029.78

Finding the Fourth Proportional to 26,173.62, 36,134.39 and 20,029.78

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Solution

The fourth proportional to 26,173.62, 36,134.39 and 20,029.78 is: 27,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.62 : 36,134.39 = 20,029.78 : x
  2. Step 2: Convert to fraction form
    26,173.62/36,134.39 = 20,029.78/x
  3. Step 3: Cross multiply
    26,173.62x = 36,134.39 × 20,029.78
  4. Step 4: Simplify right side
    26,173.62x = 723,763,882.13
  5. Step 5: Solve for x
    x = 723,763,882.13/26,173.62
  6. Step 6: Final answer
    x = 27,652.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.