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Finding the Fourth Proportional to 33,428, 50,142 and 8,804

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Solution

The fourth proportional to 33,428, 50,142 and 8,804 is: 13,206

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428 : 50,142 = 8,804 : x
  2. Step 2: Convert to fraction form
    33,428/50,142 = 8,804/x
  3. Step 3: Cross multiply
    33,428x = 50,142 × 8,804
  4. Step 4: Simplify right side
    33,428x = 441,450,168
  5. Step 5: Solve for x
    x = 441,450,168/33,428
  6. Step 6: Final answer
    x = 13,206

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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.