Home / 27,243.20-40,821.60-17,998.40

Finding the Fourth Proportional to 27,243.20, 40,821.60 and 17,998.40

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Solution

The fourth proportional to 27,243.20, 40,821.60 and 17,998.40 is: 26,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.20 : 40,821.60 = 17,998.40 : x
  2. Step 2: Convert to fraction form
    27,243.20/40,821.60 = 17,998.40/x
  3. Step 3: Cross multiply
    27,243.20x = 40,821.60 × 17,998.40
  4. Step 4: Simplify right side
    27,243.20x = 734,723,485.44
  5. Step 5: Solve for x
    x = 734,723,485.44/27,243.20
  6. Step 6: Final answer
    x = 26,969.06

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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.