Home / 28,817.10-43,159.16-27,819.72

Finding the Fourth Proportional to 28,817.10, 43,159.16 and 27,819.72

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Solution

The fourth proportional to 28,817.10, 43,159.16 and 27,819.72 is: 41,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.10 : 43,159.16 = 27,819.72 : x
  2. Step 2: Convert to fraction form
    28,817.10/43,159.16 = 27,819.72/x
  3. Step 3: Cross multiply
    28,817.10x = 43,159.16 × 27,819.72
  4. Step 4: Simplify right side
    28,817.10x = 1,200,675,816.18
  5. Step 5: Solve for x
    x = 1,200,675,816.18/28,817.10
  6. Step 6: Final answer
    x = 41,665.39

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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.