Home / 28,959.31-39,961.92-16,383.25

Finding the Fourth Proportional to 28,959.31, 39,961.92 and 16,383.25

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Solution

The fourth proportional to 28,959.31, 39,961.92 and 16,383.25 is: 22,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959.31 : 39,961.92 = 16,383.25 : x
  2. Step 2: Convert to fraction form
    28,959.31/39,961.92 = 16,383.25/x
  3. Step 3: Cross multiply
    28,959.31x = 39,961.92 × 16,383.25
  4. Step 4: Simplify right side
    28,959.31x = 654,706,125.84
  5. Step 5: Solve for x
    x = 654,706,125.84/28,959.31
  6. Step 6: Final answer
    x = 22,607.79

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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.