Home / 21,262.26-31,877.55-14,669.94

Finding the Fourth Proportional to 21,262.26, 31,877.55 and 14,669.94

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Solution

The fourth proportional to 21,262.26, 31,877.55 and 14,669.94 is: 21,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.26 : 31,877.55 = 14,669.94 : x
  2. Step 2: Convert to fraction form
    21,262.26/31,877.55 = 14,669.94/x
  3. Step 3: Cross multiply
    21,262.26x = 31,877.55 × 14,669.94
  4. Step 4: Simplify right side
    21,262.26x = 467,641,745.85
  5. Step 5: Solve for x
    x = 467,641,745.85/21,262.26
  6. Step 6: Final answer
    x = 21,993.98

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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.