Home / 27,640.70-41,469.82-9,870.96

Finding the Fourth Proportional to 27,640.70, 41,469.82 and 9,870.96

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Solution

The fourth proportional to 27,640.70, 41,469.82 and 9,870.96 is: 14,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.70 : 41,469.82 = 9,870.96 : x
  2. Step 2: Convert to fraction form
    27,640.70/41,469.82 = 9,870.96/x
  3. Step 3: Cross multiply
    27,640.70x = 41,469.82 × 9,870.96
  4. Step 4: Simplify right side
    27,640.70x = 409,346,934.43
  5. Step 5: Solve for x
    x = 409,346,934.43/27,640.70
  6. Step 6: Final answer
    x = 14,809.57

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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.