Home / 28,740.87-43,027.83-17,613.90

Finding the Fourth Proportional to 28,740.87, 43,027.83 and 17,613.90

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Solution

The fourth proportional to 28,740.87, 43,027.83 and 17,613.90 is: 26,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.87 : 43,027.83 = 17,613.90 : x
  2. Step 2: Convert to fraction form
    28,740.87/43,027.83 = 17,613.90/x
  3. Step 3: Cross multiply
    28,740.87x = 43,027.83 × 17,613.90
  4. Step 4: Simplify right side
    28,740.87x = 757,887,894.84
  5. Step 5: Solve for x
    x = 757,887,894.84/28,740.87
  6. Step 6: Final answer
    x = 26,369.69

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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.