Home / 28,914.18-43,377.19-12,274.14

Finding the Fourth Proportional to 28,914.18, 43,377.19 and 12,274.14

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Solution

The fourth proportional to 28,914.18, 43,377.19 and 12,274.14 is: 18,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.18 : 43,377.19 = 12,274.14 : x
  2. Step 2: Convert to fraction form
    28,914.18/43,377.19 = 12,274.14/x
  3. Step 3: Cross multiply
    28,914.18x = 43,377.19 × 12,274.14
  4. Step 4: Simplify right side
    28,914.18x = 532,417,834.85
  5. Step 5: Solve for x
    x = 532,417,834.85/28,914.18
  6. Step 6: Final answer
    x = 18,413.73

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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.