Home / 29,121.98-43,600.89-28,188.86

Finding the Fourth Proportional to 29,121.98, 43,600.89 and 28,188.86

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Solution

The fourth proportional to 29,121.98, 43,600.89 and 28,188.86 is: 42,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.98 : 43,600.89 = 28,188.86 : x
  2. Step 2: Convert to fraction form
    29,121.98/43,600.89 = 28,188.86/x
  3. Step 3: Cross multiply
    29,121.98x = 43,600.89 × 28,188.86
  4. Step 4: Simplify right side
    29,121.98x = 1,229,059,384.09
  5. Step 5: Solve for x
    x = 1,229,059,384.09/29,121.98
  6. Step 6: Final answer
    x = 42,203.84

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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.