Home / 26,942.66-40,451.26-18,602.10

Finding the Fourth Proportional to 26,942.66, 40,451.26 and 18,602.10

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Solution

The fourth proportional to 26,942.66, 40,451.26 and 18,602.10 is: 27,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.66 : 40,451.26 = 18,602.10 : x
  2. Step 2: Convert to fraction form
    26,942.66/40,451.26 = 18,602.10/x
  3. Step 3: Cross multiply
    26,942.66x = 40,451.26 × 18,602.10
  4. Step 4: Simplify right side
    26,942.66x = 752,478,383.65
  5. Step 5: Solve for x
    x = 752,478,383.65/26,942.66
  6. Step 6: Final answer
    x = 27,928.88

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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.