Home / 28,723.36-43,091.52-9,001.84

Finding the Fourth Proportional to 28,723.36, 43,091.52 and 9,001.84

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Solution

The fourth proportional to 28,723.36, 43,091.52 and 9,001.84 is: 13,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.36 : 43,091.52 = 9,001.84 : x
  2. Step 2: Convert to fraction form
    28,723.36/43,091.52 = 9,001.84/x
  3. Step 3: Cross multiply
    28,723.36x = 43,091.52 × 9,001.84
  4. Step 4: Simplify right side
    28,723.36x = 387,902,968.40
  5. Step 5: Solve for x
    x = 387,902,968.40/28,723.36
  6. Step 6: Final answer
    x = 13,504.79

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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.