Home / 26,687.69-40,030.17-7,967.89

Finding the Fourth Proportional to 26,687.69, 40,030.17 and 7,967.89

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Solution

The fourth proportional to 26,687.69, 40,030.17 and 7,967.89 is: 11,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.69 : 40,030.17 = 7,967.89 : x
  2. Step 2: Convert to fraction form
    26,687.69/40,030.17 = 7,967.89/x
  3. Step 3: Cross multiply
    26,687.69x = 40,030.17 × 7,967.89
  4. Step 4: Simplify right side
    26,687.69x = 318,955,891.17
  5. Step 5: Solve for x
    x = 318,955,891.17/26,687.69
  6. Step 6: Final answer
    x = 11,951.42

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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.