Home / 27,403.71-41,109.69-9,869.43

Finding the Fourth Proportional to 27,403.71, 41,109.69 and 9,869.43

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Solution

The fourth proportional to 27,403.71, 41,109.69 and 9,869.43 is: 14,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.71 : 41,109.69 = 9,869.43 : x
  2. Step 2: Convert to fraction form
    27,403.71/41,109.69 = 9,869.43/x
  3. Step 3: Cross multiply
    27,403.71x = 41,109.69 × 9,869.43
  4. Step 4: Simplify right side
    27,403.71x = 405,729,207.78
  5. Step 5: Solve for x
    x = 405,729,207.78/27,403.71
  6. Step 6: Final answer
    x = 14,805.63

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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.