Home / 27,694.23-41,442.90-20,280.30

Finding the Fourth Proportional to 27,694.23, 41,442.90 and 20,280.30

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Solution

The fourth proportional to 27,694.23, 41,442.90 and 20,280.30 is: 30,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.23 : 41,442.90 = 20,280.30 : x
  2. Step 2: Convert to fraction form
    27,694.23/41,442.90 = 20,280.30/x
  3. Step 3: Cross multiply
    27,694.23x = 41,442.90 × 20,280.30
  4. Step 4: Simplify right side
    27,694.23x = 840,474,444.87
  5. Step 5: Solve for x
    x = 840,474,444.87/27,694.23
  6. Step 6: Final answer
    x = 30,348.36

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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.