Home / 27,760.40-41,644.20-13,727.60

Finding the Fourth Proportional to 27,760.40, 41,644.20 and 13,727.60

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Solution

The fourth proportional to 27,760.40, 41,644.20 and 13,727.60 is: 20,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.40 : 41,644.20 = 13,727.60 : x
  2. Step 2: Convert to fraction form
    27,760.40/41,644.20 = 13,727.60/x
  3. Step 3: Cross multiply
    27,760.40x = 41,644.20 × 13,727.60
  4. Step 4: Simplify right side
    27,760.40x = 571,674,919.92
  5. Step 5: Solve for x
    x = 571,674,919.92/27,760.40
  6. Step 6: Final answer
    x = 20,593.18

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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.