Home / 28,237.63-38,961.39-16,902.82

Finding the Fourth Proportional to 28,237.63, 38,961.39 and 16,902.82

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Solution

The fourth proportional to 28,237.63, 38,961.39 and 16,902.82 is: 23,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.63 : 38,961.39 = 16,902.82 : x
  2. Step 2: Convert to fraction form
    28,237.63/38,961.39 = 16,902.82/x
  3. Step 3: Cross multiply
    28,237.63x = 38,961.39 × 16,902.82
  4. Step 4: Simplify right side
    28,237.63x = 658,557,362.12
  5. Step 5: Solve for x
    x = 658,557,362.12/28,237.63
  6. Step 6: Final answer
    x = 23,321.98

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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.