Home / 28,738.26-43,117.92-12,102.48

Finding the Fourth Proportional to 28,738.26, 43,117.92 and 12,102.48

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Solution

The fourth proportional to 28,738.26, 43,117.92 and 12,102.48 is: 18,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.26 : 43,117.92 = 12,102.48 : x
  2. Step 2: Convert to fraction form
    28,738.26/43,117.92 = 12,102.48/x
  3. Step 3: Cross multiply
    28,738.26x = 43,117.92 × 12,102.48
  4. Step 4: Simplify right side
    28,738.26x = 521,833,764.44
  5. Step 5: Solve for x
    x = 521,833,764.44/28,738.26
  6. Step 6: Final answer
    x = 18,158.15

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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.