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Finding the Fourth Proportional to 17,796.88, 26,695.32 and 4,649.22

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Solution

The fourth proportional to 17,796.88, 26,695.32 and 4,649.22 is: 6,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,796.88 : 26,695.32 = 4,649.22 : x
  2. Step 2: Convert to fraction form
    17,796.88/26,695.32 = 4,649.22/x
  3. Step 3: Cross multiply
    17,796.88x = 26,695.32 × 4,649.22
  4. Step 4: Simplify right side
    17,796.88x = 124,112,415.65
  5. Step 5: Solve for x
    x = 124,112,415.65/17,796.88
  6. Step 6: Final answer
    x = 6,973.83

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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.