Home / 27,991.14-41,986.05-11,346.72

Finding the Fourth Proportional to 27,991.14, 41,986.05 and 11,346.72

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Solution

The fourth proportional to 27,991.14, 41,986.05 and 11,346.72 is: 17,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.14 : 41,986.05 = 11,346.72 : x
  2. Step 2: Convert to fraction form
    27,991.14/41,986.05 = 11,346.72/x
  3. Step 3: Cross multiply
    27,991.14x = 41,986.05 × 11,346.72
  4. Step 4: Simplify right side
    27,991.14x = 476,403,953.26
  5. Step 5: Solve for x
    x = 476,403,953.26/27,991.14
  6. Step 6: Final answer
    x = 17,019.81

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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.