Home / 28,874.36-39,843.80-16,126.53

Finding the Fourth Proportional to 28,874.36, 39,843.80 and 16,126.53

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Solution

The fourth proportional to 28,874.36, 39,843.80 and 16,126.53 is: 22,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.36 : 39,843.80 = 16,126.53 : x
  2. Step 2: Convert to fraction form
    28,874.36/39,843.80 = 16,126.53/x
  3. Step 3: Cross multiply
    28,874.36x = 39,843.80 × 16,126.53
  4. Step 4: Simplify right side
    28,874.36x = 642,542,066.44
  5. Step 5: Solve for x
    x = 642,542,066.44/28,874.36
  6. Step 6: Final answer
    x = 22,253.03

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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.