Home / 28,793-39,747.66-20,302.04

Finding the Fourth Proportional to 28,793, 39,747.66 and 20,302.04

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Solution

The fourth proportional to 28,793, 39,747.66 and 20,302.04 is: 28,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793 : 39,747.66 = 20,302.04 : x
  2. Step 2: Convert to fraction form
    28,793/39,747.66 = 20,302.04/x
  3. Step 3: Cross multiply
    28,793x = 39,747.66 × 20,302.04
  4. Step 4: Simplify right side
    28,793x = 806,958,583.23
  5. Step 5: Solve for x
    x = 806,958,583.23/28,793
  6. Step 6: Final answer
    x = 28,026.21

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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.