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Finding the Fourth Proportional to 27,350.40, 41,025.60 and 18,019.20

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Solution

The fourth proportional to 27,350.40, 41,025.60 and 18,019.20 is: 27,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,350.40 : 41,025.60 = 18,019.20 : x
  2. Step 2: Convert to fraction form
    27,350.40/41,025.60 = 18,019.20/x
  3. Step 3: Cross multiply
    27,350.40x = 41,025.60 × 18,019.20
  4. Step 4: Simplify right side
    27,350.40x = 739,248,491.52
  5. Step 5: Solve for x
    x = 739,248,491.52/27,350.40
  6. Step 6: Final answer
    x = 27,028.80

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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.