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Finding the Fourth Proportional to 28,300, 42,450 and 8,844

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Solution

The fourth proportional to 28,300, 42,450 and 8,844 is: 13,266

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300 : 42,450 = 8,844 : x
  2. Step 2: Convert to fraction form
    28,300/42,450 = 8,844/x
  3. Step 3: Cross multiply
    28,300x = 42,450 × 8,844
  4. Step 4: Simplify right side
    28,300x = 375,427,800
  5. Step 5: Solve for x
    x = 375,427,800/28,300
  6. Step 6: Final answer
    x = 13,266

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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.