Home / 22,928.15-34,397.67-8,138.36

Finding the Fourth Proportional to 22,928.15, 34,397.67 and 8,138.36

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Solution

The fourth proportional to 22,928.15, 34,397.67 and 8,138.36 is: 12,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.15 : 34,397.67 = 8,138.36 : x
  2. Step 2: Convert to fraction form
    22,928.15/34,397.67 = 8,138.36/x
  3. Step 3: Cross multiply
    22,928.15x = 34,397.67 × 8,138.36
  4. Step 4: Simplify right side
    22,928.15x = 279,940,621.62
  5. Step 5: Solve for x
    x = 279,940,621.62/22,928.15
  6. Step 6: Final answer
    x = 12,209.47

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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.