Home / 26,689.12-40,035.94-7,967.96

Finding the Fourth Proportional to 26,689.12, 40,035.94 and 7,967.96

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Solution

The fourth proportional to 26,689.12, 40,035.94 and 7,967.96 is: 11,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.12 : 40,035.94 = 7,967.96 : x
  2. Step 2: Convert to fraction form
    26,689.12/40,035.94 = 7,967.96/x
  3. Step 3: Cross multiply
    26,689.12x = 40,035.94 × 7,967.96
  4. Step 4: Simplify right side
    26,689.12x = 319,004,768.48
  5. Step 5: Solve for x
    x = 319,004,768.48/26,689.12
  6. Step 6: Final answer
    x = 11,952.61

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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.