Home / 23,078.80-34,626.30-9,935.20

Finding the Fourth Proportional to 23,078.80, 34,626.30 and 9,935.20

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Solution

The fourth proportional to 23,078.80, 34,626.30 and 9,935.20 is: 14,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.80 : 34,626.30 = 9,935.20 : x
  2. Step 2: Convert to fraction form
    23,078.80/34,626.30 = 9,935.20/x
  3. Step 3: Cross multiply
    23,078.80x = 34,626.30 × 9,935.20
  4. Step 4: Simplify right side
    23,078.80x = 344,019,215.76
  5. Step 5: Solve for x
    x = 344,019,215.76/23,078.80
  6. Step 6: Final answer
    x = 14,906.29

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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.