Home / 25,880.24-38,828.57-8,351.44

Finding the Fourth Proportional to 25,880.24, 38,828.57 and 8,351.44

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Solution

The fourth proportional to 25,880.24, 38,828.57 and 8,351.44 is: 12,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.24 : 38,828.57 = 8,351.44 : x
  2. Step 2: Convert to fraction form
    25,880.24/38,828.57 = 8,351.44/x
  3. Step 3: Cross multiply
    25,880.24x = 38,828.57 × 8,351.44
  4. Step 4: Simplify right side
    25,880.24x = 324,274,333.81
  5. Step 5: Solve for x
    x = 324,274,333.81/25,880.24
  6. Step 6: Final answer
    x = 12,529.80

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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.