Home / 28,956.96-43,437.24-9,982.68

Finding the Fourth Proportional to 28,956.96, 43,437.24 and 9,982.68

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Solution

The fourth proportional to 28,956.96, 43,437.24 and 9,982.68 is: 14,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.96 : 43,437.24 = 9,982.68 : x
  2. Step 2: Convert to fraction form
    28,956.96/43,437.24 = 9,982.68/x
  3. Step 3: Cross multiply
    28,956.96x = 43,437.24 × 9,982.68
  4. Step 4: Simplify right side
    28,956.96x = 433,620,067.00
  5. Step 5: Solve for x
    x = 433,620,067.00/28,956.96
  6. Step 6: Final answer
    x = 14,974.64

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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.