Home / 27,716.28-41,563.64-8,991.79

Finding the Fourth Proportional to 27,716.28, 41,563.64 and 8,991.79

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Solution

The fourth proportional to 27,716.28, 41,563.64 and 8,991.79 is: 13,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.28 : 41,563.64 = 8,991.79 : x
  2. Step 2: Convert to fraction form
    27,716.28/41,563.64 = 8,991.79/x
  3. Step 3: Cross multiply
    27,716.28x = 41,563.64 × 8,991.79
  4. Step 4: Simplify right side
    27,716.28x = 373,731,522.52
  5. Step 5: Solve for x
    x = 373,731,522.52/27,716.28
  6. Step 6: Final answer
    x = 13,484.19

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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.