Home / 27,318.35-40,984.82-9,789.95

Finding the Fourth Proportional to 27,318.35, 40,984.82 and 9,789.95

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Solution

The fourth proportional to 27,318.35, 40,984.82 and 9,789.95 is: 14,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.35 : 40,984.82 = 9,789.95 : x
  2. Step 2: Convert to fraction form
    27,318.35/40,984.82 = 9,789.95/x
  3. Step 3: Cross multiply
    27,318.35x = 40,984.82 × 9,789.95
  4. Step 4: Simplify right side
    27,318.35x = 401,239,289.61
  5. Step 5: Solve for x
    x = 401,239,289.61/27,318.35
  6. Step 6: Final answer
    x = 14,687.54

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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.