Home / 27,720.29-41,563.73-11,690.71

Finding the Fourth Proportional to 27,720.29, 41,563.73 and 11,690.71

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Solution

The fourth proportional to 27,720.29, 41,563.73 and 11,690.71 is: 17,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.29 : 41,563.73 = 11,690.71 : x
  2. Step 2: Convert to fraction form
    27,720.29/41,563.73 = 11,690.71/x
  3. Step 3: Cross multiply
    27,720.29x = 41,563.73 × 11,690.71
  4. Step 4: Simplify right side
    27,720.29x = 485,909,439.27
  5. Step 5: Solve for x
    x = 485,909,439.27/27,720.29
  6. Step 6: Final answer
    x = 17,529.02

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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.