Home / 27,155.44-40,739.94-19,165.80

Finding the Fourth Proportional to 27,155.44, 40,739.94 and 19,165.80

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Solution

The fourth proportional to 27,155.44, 40,739.94 and 19,165.80 is: 28,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.44 : 40,739.94 = 19,165.80 : x
  2. Step 2: Convert to fraction form
    27,155.44/40,739.94 = 19,165.80/x
  3. Step 3: Cross multiply
    27,155.44x = 40,739.94 × 19,165.80
  4. Step 4: Simplify right side
    27,155.44x = 780,813,542.05
  5. Step 5: Solve for x
    x = 780,813,542.05/27,155.44
  6. Step 6: Final answer
    x = 28,753.49

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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.