Home / 28,790.27-43,152.57-13,175.09

Finding the Fourth Proportional to 28,790.27, 43,152.57 and 13,175.09

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Solution

The fourth proportional to 28,790.27, 43,152.57 and 13,175.09 is: 19,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.27 : 43,152.57 = 13,175.09 : x
  2. Step 2: Convert to fraction form
    28,790.27/43,152.57 = 13,175.09/x
  3. Step 3: Cross multiply
    28,790.27x = 43,152.57 × 13,175.09
  4. Step 4: Simplify right side
    28,790.27x = 568,538,777.72
  5. Step 5: Solve for x
    x = 568,538,777.72/28,790.27
  6. Step 6: Final answer
    x = 19,747.60

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1.5x scale

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.