Home / 20,791.32-28,658.32-16,246.06

Finding the Fourth Proportional to 20,791.32, 28,658.32 and 16,246.06

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Solution

The fourth proportional to 20,791.32, 28,658.32 and 16,246.06 is: 22,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,791.32 : 28,658.32 = 16,246.06 : x
  2. Step 2: Convert to fraction form
    20,791.32/28,658.32 = 16,246.06/x
  3. Step 3: Cross multiply
    20,791.32x = 28,658.32 × 16,246.06
  4. Step 4: Simplify right side
    20,791.32x = 465,584,786.22
  5. Step 5: Solve for x
    x = 465,584,786.22/20,791.32
  6. Step 6: Final answer
    x = 22,393.23

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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.