Home / 25,847.28-38,768.76-10,260.72

Finding the Fourth Proportional to 25,847.28, 38,768.76 and 10,260.72

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Solution

The fourth proportional to 25,847.28, 38,768.76 and 10,260.72 is: 15,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.28 : 38,768.76 = 10,260.72 : x
  2. Step 2: Convert to fraction form
    25,847.28/38,768.76 = 10,260.72/x
  3. Step 3: Cross multiply
    25,847.28x = 38,768.76 × 10,260.72
  4. Step 4: Simplify right side
    25,847.28x = 397,795,391.11
  5. Step 5: Solve for x
    x = 397,795,391.11/25,847.28
  6. Step 6: Final answer
    x = 15,390.22

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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.