Home / 28,792.05-43,194.23-10,072.70

Finding the Fourth Proportional to 28,792.05, 43,194.23 and 10,072.70

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Solution

The fourth proportional to 28,792.05, 43,194.23 and 10,072.70 is: 15,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.05 : 43,194.23 = 10,072.70 : x
  2. Step 2: Convert to fraction form
    28,792.05/43,194.23 = 10,072.70/x
  3. Step 3: Cross multiply
    28,792.05x = 43,194.23 × 10,072.70
  4. Step 4: Simplify right side
    28,792.05x = 435,082,453.94
  5. Step 5: Solve for x
    x = 435,082,453.94/28,792.05
  6. Step 6: Final answer
    x = 15,111.20

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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.