Home / 28,198.00-42,286.06-15,043.19

Finding the Fourth Proportional to 28,198.00, 42,286.06 and 15,043.19

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Solution

The fourth proportional to 28,198.00, 42,286.06 and 15,043.19 is: 22,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.00 : 42,286.06 = 15,043.19 : x
  2. Step 2: Convert to fraction form
    28,198.00/42,286.06 = 15,043.19/x
  3. Step 3: Cross multiply
    28,198.00x = 42,286.06 × 15,043.19
  4. Step 4: Simplify right side
    28,198.00x = 636,117,159.72
  5. Step 5: Solve for x
    x = 636,117,159.72/28,198.00
  6. Step 6: Final answer
    x = 22,558.95

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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.