Home / 28,791.93-39,732.33-16,216.68

Finding the Fourth Proportional to 28,791.93, 39,732.33 and 16,216.68

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Solution

The fourth proportional to 28,791.93, 39,732.33 and 16,216.68 is: 22,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.93 : 39,732.33 = 16,216.68 : x
  2. Step 2: Convert to fraction form
    28,791.93/39,732.33 = 16,216.68/x
  3. Step 3: Cross multiply
    28,791.93x = 39,732.33 × 16,216.68
  4. Step 4: Simplify right side
    28,791.93x = 644,326,481.26
  5. Step 5: Solve for x
    x = 644,326,481.26/28,791.93
  6. Step 6: Final answer
    x = 22,378.72

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1.5x scale

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.