Home / 15,972.82-23,957.30-4,286.95

Finding the Fourth Proportional to 15,972.82, 23,957.30 and 4,286.95

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Solution

The fourth proportional to 15,972.82, 23,957.30 and 4,286.95 is: 6,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.82 : 23,957.30 = 4,286.95 : x
  2. Step 2: Convert to fraction form
    15,972.82/23,957.30 = 4,286.95/x
  3. Step 3: Cross multiply
    15,972.82x = 23,957.30 × 4,286.95
  4. Step 4: Simplify right side
    15,972.82x = 102,703,698.06
  5. Step 5: Solve for x
    x = 102,703,698.06/15,972.82
  6. Step 6: Final answer
    x = 6,429.90

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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.