Home / 28,884.43-39,839.19-18,263.81

Finding the Fourth Proportional to 28,884.43, 39,839.19 and 18,263.81

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Solution

The fourth proportional to 28,884.43, 39,839.19 and 18,263.81 is: 25,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.43 : 39,839.19 = 18,263.81 : x
  2. Step 2: Convert to fraction form
    28,884.43/39,839.19 = 18,263.81/x
  3. Step 3: Cross multiply
    28,884.43x = 39,839.19 × 18,263.81
  4. Step 4: Simplify right side
    28,884.43x = 727,615,530.56
  5. Step 5: Solve for x
    x = 727,615,530.56/28,884.43
  6. Step 6: Final answer
    x = 25,190.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.