Home / 28,644.96-39,531.60-16,069.44

Finding the Fourth Proportional to 28,644.96, 39,531.60 and 16,069.44

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Solution

The fourth proportional to 28,644.96, 39,531.60 and 16,069.44 is: 22,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.96 : 39,531.60 = 16,069.44 : x
  2. Step 2: Convert to fraction form
    28,644.96/39,531.60 = 16,069.44/x
  3. Step 3: Cross multiply
    28,644.96x = 39,531.60 × 16,069.44
  4. Step 4: Simplify right side
    28,644.96x = 635,250,674.30
  5. Step 5: Solve for x
    x = 635,250,674.30/28,644.96
  6. Step 6: Final answer
    x = 22,176.70

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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.