Home / 21,252.43-31,877.83-5,669.92

Finding the Fourth Proportional to 21,252.43, 31,877.83 and 5,669.92

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Solution

The fourth proportional to 21,252.43, 31,877.83 and 5,669.92 is: 8,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.43 : 31,877.83 = 5,669.92 : x
  2. Step 2: Convert to fraction form
    21,252.43/31,877.83 = 5,669.92/x
  3. Step 3: Cross multiply
    21,252.43x = 31,877.83 × 5,669.92
  4. Step 4: Simplify right side
    21,252.43x = 180,744,745.87
  5. Step 5: Solve for x
    x = 180,744,745.87/21,252.43
  6. Step 6: Final answer
    x = 8,504.66

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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.