Home / 28,914.48-43,326.36-17,221.32

Finding the Fourth Proportional to 28,914.48, 43,326.36 and 17,221.32

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Solution

The fourth proportional to 28,914.48, 43,326.36 and 17,221.32 is: 25,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.48 : 43,326.36 = 17,221.32 : x
  2. Step 2: Convert to fraction form
    28,914.48/43,326.36 = 17,221.32/x
  3. Step 3: Cross multiply
    28,914.48x = 43,326.36 × 17,221.32
  4. Step 4: Simplify right side
    28,914.48x = 746,137,110.00
  5. Step 5: Solve for x
    x = 746,137,110.00/28,914.48
  6. Step 6: Final answer
    x = 25,804.96

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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.