Home / 28,936.50-43,404.71-19,003.95

Finding the Fourth Proportional to 28,936.50, 43,404.71 and 19,003.95

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Solution

The fourth proportional to 28,936.50, 43,404.71 and 19,003.95 is: 28,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.50 : 43,404.71 = 19,003.95 : x
  2. Step 2: Convert to fraction form
    28,936.50/43,404.71 = 19,003.95/x
  3. Step 3: Cross multiply
    28,936.50x = 43,404.71 × 19,003.95
  4. Step 4: Simplify right side
    28,936.50x = 824,860,843.58
  5. Step 5: Solve for x
    x = 824,860,843.58/28,936.50
  6. Step 6: Final answer
    x = 28,505.90

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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.