Home / 28,638.06-39,520.62-16,062

Finding the Fourth Proportional to 28,638.06, 39,520.62 and 16,062

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Solution

The fourth proportional to 28,638.06, 39,520.62 and 16,062 is: 22,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.06 : 39,520.62 = 16,062 : x
  2. Step 2: Convert to fraction form
    28,638.06/39,520.62 = 16,062/x
  3. Step 3: Cross multiply
    28,638.06x = 39,520.62 × 16,062
  4. Step 4: Simplify right side
    28,638.06x = 634,780,198.44
  5. Step 5: Solve for x
    x = 634,780,198.44/28,638.06
  6. Step 6: Final answer
    x = 22,165.61

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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.