Home / 26,126.38-36,069.78-15,921.22

Finding the Fourth Proportional to 26,126.38, 36,069.78 and 15,921.22

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Solution

The fourth proportional to 26,126.38, 36,069.78 and 15,921.22 is: 21,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.38 : 36,069.78 = 15,921.22 : x
  2. Step 2: Convert to fraction form
    26,126.38/36,069.78 = 15,921.22/x
  3. Step 3: Cross multiply
    26,126.38x = 36,069.78 × 15,921.22
  4. Step 4: Simplify right side
    26,126.38x = 574,274,902.73
  5. Step 5: Solve for x
    x = 574,274,902.73/26,126.38
  6. Step 6: Final answer
    x = 21,980.65

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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.