Home / 27,720.92-41,515.16-15,998.60

Finding the Fourth Proportional to 27,720.92, 41,515.16 and 15,998.60

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Solution

The fourth proportional to 27,720.92, 41,515.16 and 15,998.60 is: 23,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.92 : 41,515.16 = 15,998.60 : x
  2. Step 2: Convert to fraction form
    27,720.92/41,515.16 = 15,998.60/x
  3. Step 3: Cross multiply
    27,720.92x = 41,515.16 × 15,998.60
  4. Step 4: Simplify right side
    27,720.92x = 664,184,151.21
  5. Step 5: Solve for x
    x = 664,184,151.21/27,720.92
  6. Step 6: Final answer
    x = 23,959.68

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1.5x scale

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.