Home / 26,908.46-40,362.72-12,114.62

Finding the Fourth Proportional to 26,908.46, 40,362.72 and 12,114.62

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Solution

The fourth proportional to 26,908.46, 40,362.72 and 12,114.62 is: 18,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.46 : 40,362.72 = 12,114.62 : x
  2. Step 2: Convert to fraction form
    26,908.46/40,362.72 = 12,114.62/x
  3. Step 3: Cross multiply
    26,908.46x = 40,362.72 × 12,114.62
  4. Step 4: Simplify right side
    26,908.46x = 488,979,014.97
  5. Step 5: Solve for x
    x = 488,979,014.97/26,908.46
  6. Step 6: Final answer
    x = 18,171.94

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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.