Home / 22,680.44-34,023.64-7,890.48

Finding the Fourth Proportional to 22,680.44, 34,023.64 and 7,890.48

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Solution

The fourth proportional to 22,680.44, 34,023.64 and 7,890.48 is: 11,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.44 : 34,023.64 = 7,890.48 : x
  2. Step 2: Convert to fraction form
    22,680.44/34,023.64 = 7,890.48/x
  3. Step 3: Cross multiply
    22,680.44x = 34,023.64 × 7,890.48
  4. Step 4: Simplify right side
    22,680.44x = 268,462,850.95
  5. Step 5: Solve for x
    x = 268,462,850.95/22,680.44
  6. Step 6: Final answer
    x = 11,836.76

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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.