Home / 28,867.81-39,833.29-17,531.39

Finding the Fourth Proportional to 28,867.81, 39,833.29 and 17,531.39

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Solution

The fourth proportional to 28,867.81, 39,833.29 and 17,531.39 is: 24,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.81 : 39,833.29 = 17,531.39 : x
  2. Step 2: Convert to fraction form
    28,867.81/39,833.29 = 17,531.39/x
  3. Step 3: Cross multiply
    28,867.81x = 39,833.29 × 17,531.39
  4. Step 4: Simplify right side
    28,867.81x = 698,332,941.97
  5. Step 5: Solve for x
    x = 698,332,941.97/28,867.81
  6. Step 6: Final answer
    x = 24,190.71

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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.