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Finding the Fourth Proportional to 17,968, 26,952 and 8,240

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Solution

The fourth proportional to 17,968, 26,952 and 8,240 is: 12,360

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968 : 26,952 = 8,240 : x
  2. Step 2: Convert to fraction form
    17,968/26,952 = 8,240/x
  3. Step 3: Cross multiply
    17,968x = 26,952 × 8,240
  4. Step 4: Simplify right side
    17,968x = 222,084,480
  5. Step 5: Solve for x
    x = 222,084,480/17,968
  6. Step 6: Final answer
    x = 12,360

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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.