Home / 26,694.72-40,040.64-9,165.60

Finding the Fourth Proportional to 26,694.72, 40,040.64 and 9,165.60

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Solution

The fourth proportional to 26,694.72, 40,040.64 and 9,165.60 is: 13,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,694.72 : 40,040.64 = 9,165.60 : x
  2. Step 2: Convert to fraction form
    26,694.72/40,040.64 = 9,165.60/x
  3. Step 3: Cross multiply
    26,694.72x = 40,040.64 × 9,165.60
  4. Step 4: Simplify right side
    26,694.72x = 366,996,489.98
  5. Step 5: Solve for x
    x = 366,996,489.98/26,694.72
  6. Step 6: Final answer
    x = 13,747.91

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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.