Home / 28,766.88-39,703.26-16,667.82

Finding the Fourth Proportional to 28,766.88, 39,703.26 and 16,667.82

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Solution

The fourth proportional to 28,766.88, 39,703.26 and 16,667.82 is: 23,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.88 : 39,703.26 = 16,667.82 : x
  2. Step 2: Convert to fraction form
    28,766.88/39,703.26 = 16,667.82/x
  3. Step 3: Cross multiply
    28,766.88x = 39,703.26 × 16,667.82
  4. Step 4: Simplify right side
    28,766.88x = 661,766,791.09
  5. Step 5: Solve for x
    x = 661,766,791.09/28,766.88
  6. Step 6: Final answer
    x = 23,004.47

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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.