Home / 28,716.93-43,057.75-11,166.30

Finding the Fourth Proportional to 28,716.93, 43,057.75 and 11,166.30

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Solution

The fourth proportional to 28,716.93, 43,057.75 and 11,166.30 is: 16,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.93 : 43,057.75 = 11,166.30 : x
  2. Step 2: Convert to fraction form
    28,716.93/43,057.75 = 11,166.30/x
  3. Step 3: Cross multiply
    28,716.93x = 43,057.75 × 11,166.30
  4. Step 4: Simplify right side
    28,716.93x = 480,795,510.62
  5. Step 5: Solve for x
    x = 480,795,510.62/28,716.93
  6. Step 6: Final answer
    x = 16,742.58

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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.