Home / 26,742.96-40,120.92-8,022.96

Finding the Fourth Proportional to 26,742.96, 40,120.92 and 8,022.96

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Solution

The fourth proportional to 26,742.96, 40,120.92 and 8,022.96 is: 12,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.96 : 40,120.92 = 8,022.96 : x
  2. Step 2: Convert to fraction form
    26,742.96/40,120.92 = 8,022.96/x
  3. Step 3: Cross multiply
    26,742.96x = 40,120.92 × 8,022.96
  4. Step 4: Simplify right side
    26,742.96x = 321,888,536.32
  5. Step 5: Solve for x
    x = 321,888,536.32/26,742.96
  6. Step 6: Final answer
    x = 12,036.38

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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.