Home / 28,917.21-43,375.01-9,196.95

Finding the Fourth Proportional to 28,917.21, 43,375.01 and 9,196.95

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Solution

The fourth proportional to 28,917.21, 43,375.01 and 9,196.95 is: 13,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.21 : 43,375.01 = 9,196.95 : x
  2. Step 2: Convert to fraction form
    28,917.21/43,375.01 = 9,196.95/x
  3. Step 3: Cross multiply
    28,917.21x = 43,375.01 × 9,196.95
  4. Step 4: Simplify right side
    28,917.21x = 398,917,752.23
  5. Step 5: Solve for x
    x = 398,917,752.23/28,917.21
  6. Step 6: Final answer
    x = 13,795.17

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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.