Home / 21,064.16-29,067.75-11,632.52

Finding the Fourth Proportional to 21,064.16, 29,067.75 and 11,632.52

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Solution

The fourth proportional to 21,064.16, 29,067.75 and 11,632.52 is: 16,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.16 : 29,067.75 = 11,632.52 : x
  2. Step 2: Convert to fraction form
    21,064.16/29,067.75 = 11,632.52/x
  3. Step 3: Cross multiply
    21,064.16x = 29,067.75 × 11,632.52
  4. Step 4: Simplify right side
    21,064.16x = 338,131,037.89
  5. Step 5: Solve for x
    x = 338,131,037.89/21,064.16
  6. Step 6: Final answer
    x = 16,052.44

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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.