Home / 28,750.58-39,675.75-16,175.33

Finding the Fourth Proportional to 28,750.58, 39,675.75 and 16,175.33

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Solution

The fourth proportional to 28,750.58, 39,675.75 and 16,175.33 is: 22,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.58 : 39,675.75 = 16,175.33 : x
  2. Step 2: Convert to fraction form
    28,750.58/39,675.75 = 16,175.33/x
  3. Step 3: Cross multiply
    28,750.58x = 39,675.75 × 16,175.33
  4. Step 4: Simplify right side
    28,750.58x = 641,768,150.87
  5. Step 5: Solve for x
    x = 641,768,150.87/28,750.58
  6. Step 6: Final answer
    x = 22,321.92

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1.5x scale

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.