Home / 26,873.36-40,236.06-20,279.55

Finding the Fourth Proportional to 26,873.36, 40,236.06 and 20,279.55

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Solution

The fourth proportional to 26,873.36, 40,236.06 and 20,279.55 is: 30,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,873.36 : 40,236.06 = 20,279.55 : x
  2. Step 2: Convert to fraction form
    26,873.36/40,236.06 = 20,279.55/x
  3. Step 3: Cross multiply
    26,873.36x = 40,236.06 × 20,279.55
  4. Step 4: Simplify right side
    26,873.36x = 815,969,190.57
  5. Step 5: Solve for x
    x = 815,969,190.57/26,873.36
  6. Step 6: Final answer
    x = 30,363.50

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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.