Home / 27,983.66-41,975.44-19,191.92

Finding the Fourth Proportional to 27,983.66, 41,975.44 and 19,191.92

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Solution

The fourth proportional to 27,983.66, 41,975.44 and 19,191.92 is: 28,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.66 : 41,975.44 = 19,191.92 : x
  2. Step 2: Convert to fraction form
    27,983.66/41,975.44 = 19,191.92/x
  3. Step 3: Cross multiply
    27,983.66x = 41,975.44 × 19,191.92
  4. Step 4: Simplify right side
    27,983.66x = 805,589,028.59
  5. Step 5: Solve for x
    x = 805,589,028.59/27,983.66
  6. Step 6: Final answer
    x = 28,787.84

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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.