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Finding the Fourth Proportional to 17,628.84, 26,469.18 and 7,260.84

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Solution

The fourth proportional to 17,628.84, 26,469.18 and 7,260.84 is: 10,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.84 : 26,469.18 = 7,260.84 : x
  2. Step 2: Convert to fraction form
    17,628.84/26,469.18 = 7,260.84/x
  3. Step 3: Cross multiply
    17,628.84x = 26,469.18 × 7,260.84
  4. Step 4: Simplify right side
    17,628.84x = 192,188,480.91
  5. Step 5: Solve for x
    x = 192,188,480.91/17,628.84
  6. Step 6: Final answer
    x = 10,901.94

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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.