Home / 28,791.60-43,199.94-10,085.08

Finding the Fourth Proportional to 28,791.60, 43,199.94 and 10,085.08

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Solution

The fourth proportional to 28,791.60, 43,199.94 and 10,085.08 is: 15,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.60 : 43,199.94 = 10,085.08 : x
  2. Step 2: Convert to fraction form
    28,791.60/43,199.94 = 10,085.08/x
  3. Step 3: Cross multiply
    28,791.60x = 43,199.94 × 10,085.08
  4. Step 4: Simplify right side
    28,791.60x = 435,674,850.90
  5. Step 5: Solve for x
    x = 435,674,850.90/28,791.60
  6. Step 6: Final answer
    x = 15,132.01

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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.