Home / 51,928.97-71,661.88-28,055.57

Finding the Fourth Proportional to 51,928.97, 71,661.88 and 28,055.57

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Solution

The fourth proportional to 51,928.97, 71,661.88 and 28,055.57 is: 38,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.97 : 71,661.88 = 28,055.57 : x
  2. Step 2: Convert to fraction form
    51,928.97/71,661.88 = 28,055.57/x
  3. Step 3: Cross multiply
    51,928.97x = 71,661.88 × 28,055.57
  4. Step 4: Simplify right side
    51,928.97x = 2,010,514,567.43
  5. Step 5: Solve for x
    x = 2,010,514,567.43/51,928.97
  6. Step 6: Final answer
    x = 38,716.63

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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.