Home / 28,836.91-43,194.57-18,301.38

Finding the Fourth Proportional to 28,836.91, 43,194.57 and 18,301.38

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Solution

The fourth proportional to 28,836.91, 43,194.57 and 18,301.38 is: 27,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.91 : 43,194.57 = 18,301.38 : x
  2. Step 2: Convert to fraction form
    28,836.91/43,194.57 = 18,301.38/x
  3. Step 3: Cross multiply
    28,836.91x = 43,194.57 × 18,301.38
  4. Step 4: Simplify right side
    28,836.91x = 790,520,008.90
  5. Step 5: Solve for x
    x = 790,520,008.90/28,836.91
  6. Step 6: Final answer
    x = 27,413.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.