Home / 27,850.20-41,775.30-18,000.60

Finding the Fourth Proportional to 27,850.20, 41,775.30 and 18,000.60

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Solution

The fourth proportional to 27,850.20, 41,775.30 and 18,000.60 is: 27,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.20 : 41,775.30 = 18,000.60 : x
  2. Step 2: Convert to fraction form
    27,850.20/41,775.30 = 18,000.60/x
  3. Step 3: Cross multiply
    27,850.20x = 41,775.30 × 18,000.60
  4. Step 4: Simplify right side
    27,850.20x = 751,980,465.18
  5. Step 5: Solve for x
    x = 751,980,465.18/27,850.20
  6. Step 6: Final answer
    x = 27,000.90

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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.