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Finding the Fourth Proportional to 17,856, 26,784.36 and 7,467.84

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Solution

The fourth proportional to 17,856, 26,784.36 and 7,467.84 is: 11,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856 : 26,784.36 = 7,467.84 : x
  2. Step 2: Convert to fraction form
    17,856/26,784.36 = 7,467.84/x
  3. Step 3: Cross multiply
    17,856x = 26,784.36 × 7,467.84
  4. Step 4: Simplify right side
    17,856x = 200,021,314.98
  5. Step 5: Solve for x
    x = 200,021,314.98/17,856
  6. Step 6: Final answer
    x = 11,201.91

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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.