Home / 27,459.20-41,151.72-20,028.80

Finding the Fourth Proportional to 27,459.20, 41,151.72 and 20,028.80

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Solution

The fourth proportional to 27,459.20, 41,151.72 and 20,028.80 is: 30,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.20 : 41,151.72 = 20,028.80 : x
  2. Step 2: Convert to fraction form
    27,459.20/41,151.72 = 20,028.80/x
  3. Step 3: Cross multiply
    27,459.20x = 41,151.72 × 20,028.80
  4. Step 4: Simplify right side
    27,459.20x = 824,219,569.54
  5. Step 5: Solve for x
    x = 824,219,569.54/27,459.20
  6. Step 6: Final answer
    x = 30,016.15

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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.