Home / 27,078.27-40,617.14-20,544.54

Finding the Fourth Proportional to 27,078.27, 40,617.14 and 20,544.54

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Solution

The fourth proportional to 27,078.27, 40,617.14 and 20,544.54 is: 30,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.27 : 40,617.14 = 20,544.54 : x
  2. Step 2: Convert to fraction form
    27,078.27/40,617.14 = 20,544.54/x
  3. Step 3: Cross multiply
    27,078.27x = 40,617.14 × 20,544.54
  4. Step 4: Simplify right side
    27,078.27x = 834,460,354.69
  5. Step 5: Solve for x
    x = 834,460,354.69/27,078.27
  6. Step 6: Final answer
    x = 30,816.61

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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.