Home / 27,983.28-41,974.88-19,191.54

Finding the Fourth Proportional to 27,983.28, 41,974.88 and 19,191.54

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Solution

The fourth proportional to 27,983.28, 41,974.88 and 19,191.54 is: 28,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.28 : 41,974.88 = 19,191.54 : x
  2. Step 2: Convert to fraction form
    27,983.28/41,974.88 = 19,191.54/x
  3. Step 3: Cross multiply
    27,983.28x = 41,974.88 × 19,191.54
  4. Step 4: Simplify right side
    27,983.28x = 805,562,492.56
  5. Step 5: Solve for x
    x = 805,562,492.56/27,983.28
  6. Step 6: Final answer
    x = 28,787.28

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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.