Home / 26,922.60-40,383.90-18,628.20

Finding the Fourth Proportional to 26,922.60, 40,383.90 and 18,628.20

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Solution

The fourth proportional to 26,922.60, 40,383.90 and 18,628.20 is: 27,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.60 : 40,383.90 = 18,628.20 : x
  2. Step 2: Convert to fraction form
    26,922.60/40,383.90 = 18,628.20/x
  3. Step 3: Cross multiply
    26,922.60x = 40,383.90 × 18,628.20
  4. Step 4: Simplify right side
    26,922.60x = 752,279,365.98
  5. Step 5: Solve for x
    x = 752,279,365.98/26,922.60
  6. Step 6: Final answer
    x = 27,942.30

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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.