Home / 26,158.33-36,112.26-20,997.68

Finding the Fourth Proportional to 26,158.33, 36,112.26 and 20,997.68

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Solution

The fourth proportional to 26,158.33, 36,112.26 and 20,997.68 is: 28,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,158.33 : 36,112.26 = 20,997.68 : x
  2. Step 2: Convert to fraction form
    26,158.33/36,112.26 = 20,997.68/x
  3. Step 3: Cross multiply
    26,158.33x = 36,112.26 × 20,997.68
  4. Step 4: Simplify right side
    26,158.33x = 758,273,780.87
  5. Step 5: Solve for x
    x = 758,273,780.87/26,158.33
  6. Step 6: Final answer
    x = 28,987.86

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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.