Home / 25,768.70-38,616.60-10,962.71

Finding the Fourth Proportional to 25,768.70, 38,616.60 and 10,962.71

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Solution

The fourth proportional to 25,768.70, 38,616.60 and 10,962.71 is: 16,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.70 : 38,616.60 = 10,962.71 : x
  2. Step 2: Convert to fraction form
    25,768.70/38,616.60 = 10,962.71/x
  3. Step 3: Cross multiply
    25,768.70x = 38,616.60 × 10,962.71
  4. Step 4: Simplify right side
    25,768.70x = 423,342,724.64
  5. Step 5: Solve for x
    x = 423,342,724.64/25,768.70
  6. Step 6: Final answer
    x = 16,428.56

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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.