Home / 28,818.48-43,198.11-11,044.32

Finding the Fourth Proportional to 28,818.48, 43,198.11 and 11,044.32

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Solution

The fourth proportional to 28,818.48, 43,198.11 and 11,044.32 is: 16,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.48 : 43,198.11 = 11,044.32 : x
  2. Step 2: Convert to fraction form
    28,818.48/43,198.11 = 11,044.32/x
  3. Step 3: Cross multiply
    28,818.48x = 43,198.11 × 11,044.32
  4. Step 4: Simplify right side
    28,818.48x = 477,093,750.24
  5. Step 5: Solve for x
    x = 477,093,750.24/28,818.48
  6. Step 6: Final answer
    x = 16,555.13

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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.