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Finding the Fourth Proportional to 26,933, 40,403.88 and 7,959.56

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Solution

The fourth proportional to 26,933, 40,403.88 and 7,959.56 is: 11,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933 : 40,403.88 = 7,959.56 : x
  2. Step 2: Convert to fraction form
    26,933/40,403.88 = 7,959.56/x
  3. Step 3: Cross multiply
    26,933x = 40,403.88 × 7,959.56
  4. Step 4: Simplify right side
    26,933x = 321,597,087.19
  5. Step 5: Solve for x
    x = 321,597,087.19/26,933
  6. Step 6: Final answer
    x = 11,940.63

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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.