Home / 28,774.20-43,186.94-14,743.78

Finding the Fourth Proportional to 28,774.20, 43,186.94 and 14,743.78

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Solution

The fourth proportional to 28,774.20, 43,186.94 and 14,743.78 is: 22,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.20 : 43,186.94 = 14,743.78 : x
  2. Step 2: Convert to fraction form
    28,774.20/43,186.94 = 14,743.78/x
  3. Step 3: Cross multiply
    28,774.20x = 43,186.94 × 14,743.78
  4. Step 4: Simplify right side
    28,774.20x = 636,738,742.23
  5. Step 5: Solve for x
    x = 636,738,742.23/28,774.20
  6. Step 6: Final answer
    x = 22,128.81

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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.