Home / 27,965.20-41,947.80-15,523.60

Finding the Fourth Proportional to 27,965.20, 41,947.80 and 15,523.60

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Solution

The fourth proportional to 27,965.20, 41,947.80 and 15,523.60 is: 23,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.20 : 41,947.80 = 15,523.60 : x
  2. Step 2: Convert to fraction form
    27,965.20/41,947.80 = 15,523.60/x
  3. Step 3: Cross multiply
    27,965.20x = 41,947.80 × 15,523.60
  4. Step 4: Simplify right side
    27,965.20x = 651,180,868.08
  5. Step 5: Solve for x
    x = 651,180,868.08/27,965.20
  6. Step 6: Final answer
    x = 23,285.40

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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.