Home / 28,884.18-43,327.81-9,164.26

Finding the Fourth Proportional to 28,884.18, 43,327.81 and 9,164.26

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Solution

The fourth proportional to 28,884.18, 43,327.81 and 9,164.26 is: 13,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.18 : 43,327.81 = 9,164.26 : x
  2. Step 2: Convert to fraction form
    28,884.18/43,327.81 = 9,164.26/x
  3. Step 3: Cross multiply
    28,884.18x = 43,327.81 × 9,164.26
  4. Step 4: Simplify right side
    28,884.18x = 397,067,316.07
  5. Step 5: Solve for x
    x = 397,067,316.07/28,884.18
  6. Step 6: Final answer
    x = 13,746.88

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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.