Home / 28,733.24-43,100.40-7,956.56

Finding the Fourth Proportional to 28,733.24, 43,100.40 and 7,956.56

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Solution

The fourth proportional to 28,733.24, 43,100.40 and 7,956.56 is: 11,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.24 : 43,100.40 = 7,956.56 : x
  2. Step 2: Convert to fraction form
    28,733.24/43,100.40 = 7,956.56/x
  3. Step 3: Cross multiply
    28,733.24x = 43,100.40 × 7,956.56
  4. Step 4: Simplify right side
    28,733.24x = 342,930,918.62
  5. Step 5: Solve for x
    x = 342,930,918.62/28,733.24
  6. Step 6: Final answer
    x = 11,934.99

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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.