Home / 28,709.06-43,063.53-7,932.50

Finding the Fourth Proportional to 28,709.06, 43,063.53 and 7,932.50

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Solution

The fourth proportional to 28,709.06, 43,063.53 and 7,932.50 is: 11,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.06 : 43,063.53 = 7,932.50 : x
  2. Step 2: Convert to fraction form
    28,709.06/43,063.53 = 7,932.50/x
  3. Step 3: Cross multiply
    28,709.06x = 43,063.53 × 7,932.50
  4. Step 4: Simplify right side
    28,709.06x = 341,601,451.73
  5. Step 5: Solve for x
    x = 341,601,451.73/28,709.06
  6. Step 6: Final answer
    x = 11,898.73

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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.