Home / 28,676.73-43,026.49-12,877.48

Finding the Fourth Proportional to 28,676.73, 43,026.49 and 12,877.48

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Solution

The fourth proportional to 28,676.73, 43,026.49 and 12,877.48 is: 19,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.73 : 43,026.49 = 12,877.48 : x
  2. Step 2: Convert to fraction form
    28,676.73/43,026.49 = 12,877.48/x
  3. Step 3: Cross multiply
    28,676.73x = 43,026.49 × 12,877.48
  4. Step 4: Simplify right side
    28,676.73x = 554,072,834.33
  5. Step 5: Solve for x
    x = 554,072,834.33/28,676.73
  6. Step 6: Final answer
    x = 19,321.34

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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.