Home / 26,678.33-40,019.52-7,956.90

Finding the Fourth Proportional to 26,678.33, 40,019.52 and 7,956.90

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Solution

The fourth proportional to 26,678.33, 40,019.52 and 7,956.90 is: 11,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.33 : 40,019.52 = 7,956.90 : x
  2. Step 2: Convert to fraction form
    26,678.33/40,019.52 = 7,956.90/x
  3. Step 3: Cross multiply
    26,678.33x = 40,019.52 × 7,956.90
  4. Step 4: Simplify right side
    26,678.33x = 318,431,318.69
  5. Step 5: Solve for x
    x = 318,431,318.69/26,678.33
  6. Step 6: Final answer
    x = 11,935.95

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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.