Home / 28,701.24-39,610.74-16,768.44

Finding the Fourth Proportional to 28,701.24, 39,610.74 and 16,768.44

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Solution

The fourth proportional to 28,701.24, 39,610.74 and 16,768.44 is: 23,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.24 : 39,610.74 = 16,768.44 : x
  2. Step 2: Convert to fraction form
    28,701.24/39,610.74 = 16,768.44/x
  3. Step 3: Cross multiply
    28,701.24x = 39,610.74 × 16,768.44
  4. Step 4: Simplify right side
    28,701.24x = 664,210,317.05
  5. Step 5: Solve for x
    x = 664,210,317.05/28,701.24
  6. Step 6: Final answer
    x = 23,142.22

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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.