Home / 22,928.78-34,391.75-8,135.75

Finding the Fourth Proportional to 22,928.78, 34,391.75 and 8,135.75

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Solution

The fourth proportional to 22,928.78, 34,391.75 and 8,135.75 is: 12,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.78 : 34,391.75 = 8,135.75 : x
  2. Step 2: Convert to fraction form
    22,928.78/34,391.75 = 8,135.75/x
  3. Step 3: Cross multiply
    22,928.78x = 34,391.75 × 8,135.75
  4. Step 4: Simplify right side
    22,928.78x = 279,802,467.43
  5. Step 5: Solve for x
    x = 279,802,467.43/22,928.78
  6. Step 6: Final answer
    x = 12,203.11

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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.