Home / 21,840.82-32,761.24-7,051.92

Finding the Fourth Proportional to 21,840.82, 32,761.24 and 7,051.92

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Solution

The fourth proportional to 21,840.82, 32,761.24 and 7,051.92 is: 10,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.82 : 32,761.24 = 7,051.92 : x
  2. Step 2: Convert to fraction form
    21,840.82/32,761.24 = 7,051.92/x
  3. Step 3: Cross multiply
    21,840.82x = 32,761.24 × 7,051.92
  4. Step 4: Simplify right side
    21,840.82x = 231,029,617.14
  5. Step 5: Solve for x
    x = 231,029,617.14/21,840.82
  6. Step 6: Final answer
    x = 10,577.88

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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.