Home / 21,233.32-29,297.22-12,849.64

Finding the Fourth Proportional to 21,233.32, 29,297.22 and 12,849.64

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Solution

The fourth proportional to 21,233.32, 29,297.22 and 12,849.64 is: 17,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.32 : 29,297.22 = 12,849.64 : x
  2. Step 2: Convert to fraction form
    21,233.32/29,297.22 = 12,849.64/x
  3. Step 3: Cross multiply
    21,233.32x = 29,297.22 × 12,849.64
  4. Step 4: Simplify right side
    21,233.32x = 376,458,730.00
  5. Step 5: Solve for x
    x = 376,458,730.00/21,233.32
  6. Step 6: Final answer
    x = 17,729.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.