Home / 28,131.94-38,822.12-16,195.06

Finding the Fourth Proportional to 28,131.94, 38,822.12 and 16,195.06

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Solution

The fourth proportional to 28,131.94, 38,822.12 and 16,195.06 is: 22,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.94 : 38,822.12 = 16,195.06 : x
  2. Step 2: Convert to fraction form
    28,131.94/38,822.12 = 16,195.06/x
  3. Step 3: Cross multiply
    28,131.94x = 38,822.12 × 16,195.06
  4. Step 4: Simplify right side
    28,131.94x = 628,726,562.73
  5. Step 5: Solve for x
    x = 628,726,562.73/28,131.94
  6. Step 6: Final answer
    x = 22,349.21

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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.