Home / 28,751.05-39,676.52-16,175.80

Finding the Fourth Proportional to 28,751.05, 39,676.52 and 16,175.80

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Solution

The fourth proportional to 28,751.05, 39,676.52 and 16,175.80 is: 22,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.05 : 39,676.52 = 16,175.80 : x
  2. Step 2: Convert to fraction form
    28,751.05/39,676.52 = 16,175.80/x
  3. Step 3: Cross multiply
    28,751.05x = 39,676.52 × 16,175.80
  4. Step 4: Simplify right side
    28,751.05x = 641,799,172.95
  5. Step 5: Solve for x
    x = 641,799,172.95/28,751.05
  6. Step 6: Final answer
    x = 22,322.64

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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.