Home / 27,405.20-41,107.80-25,907.60

Finding the Fourth Proportional to 27,405.20, 41,107.80 and 25,907.60

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Solution

The fourth proportional to 27,405.20, 41,107.80 and 25,907.60 is: 38,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.20 : 41,107.80 = 25,907.60 : x
  2. Step 2: Convert to fraction form
    27,405.20/41,107.80 = 25,907.60/x
  3. Step 3: Cross multiply
    27,405.20x = 41,107.80 × 25,907.60
  4. Step 4: Simplify right side
    27,405.20x = 1,065,004,439.28
  5. Step 5: Solve for x
    x = 1,065,004,439.28/27,405.20
  6. Step 6: Final answer
    x = 38,861.40

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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.