Home / 27,890.40-41,884.20-27,015.60

Finding the Fourth Proportional to 27,890.40, 41,884.20 and 27,015.60

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Solution

The fourth proportional to 27,890.40, 41,884.20 and 27,015.60 is: 40,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.40 : 41,884.20 = 27,015.60 : x
  2. Step 2: Convert to fraction form
    27,890.40/41,884.20 = 27,015.60/x
  3. Step 3: Cross multiply
    27,890.40x = 41,884.20 × 27,015.60
  4. Step 4: Simplify right side
    27,890.40x = 1,131,526,793.52
  5. Step 5: Solve for x
    x = 1,131,526,793.52/27,890.40
  6. Step 6: Final answer
    x = 40,570.48

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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.