Home / 28,709.91-43,147.76-26,716.68

Finding the Fourth Proportional to 28,709.91, 43,147.76 and 26,716.68

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Solution

The fourth proportional to 28,709.91, 43,147.76 and 26,716.68 is: 40,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.91 : 43,147.76 = 26,716.68 : x
  2. Step 2: Convert to fraction form
    28,709.91/43,147.76 = 26,716.68/x
  3. Step 3: Cross multiply
    28,709.91x = 43,147.76 × 26,716.68
  4. Step 4: Simplify right side
    28,709.91x = 1,152,764,763.05
  5. Step 5: Solve for x
    x = 1,152,764,763.05/28,709.91
  6. Step 6: Final answer
    x = 40,152.16

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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.