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Finding the Fourth Proportional to 28,304, 42,456 and 8,848

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Solution

The fourth proportional to 28,304, 42,456 and 8,848 is: 13,272

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304 : 42,456 = 8,848 : x
  2. Step 2: Convert to fraction form
    28,304/42,456 = 8,848/x
  3. Step 3: Cross multiply
    28,304x = 42,456 × 8,848
  4. Step 4: Simplify right side
    28,304x = 375,650,688
  5. Step 5: Solve for x
    x = 375,650,688/28,304
  6. Step 6: Final answer
    x = 13,272

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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.