Home / 21,067.04-31,579.82-8,595.82

Finding the Fourth Proportional to 21,067.04, 31,579.82 and 8,595.82

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Solution

The fourth proportional to 21,067.04, 31,579.82 and 8,595.82 is: 12,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.04 : 31,579.82 = 8,595.82 : x
  2. Step 2: Convert to fraction form
    21,067.04/31,579.82 = 8,595.82/x
  3. Step 3: Cross multiply
    21,067.04x = 31,579.82 × 8,595.82
  4. Step 4: Simplify right side
    21,067.04x = 271,454,525.43
  5. Step 5: Solve for x
    x = 271,454,525.43/21,067.04
  6. Step 6: Final answer
    x = 12,885.27

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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.