Home / 28,781.73-43,144.89-14,748.39

Finding the Fourth Proportional to 28,781.73, 43,144.89 and 14,748.39

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Solution

The fourth proportional to 28,781.73, 43,144.89 and 14,748.39 is: 22,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.73 : 43,144.89 = 14,748.39 : x
  2. Step 2: Convert to fraction form
    28,781.73/43,144.89 = 14,748.39/x
  3. Step 3: Cross multiply
    28,781.73x = 43,144.89 × 14,748.39
  4. Step 4: Simplify right side
    28,781.73x = 636,317,664.23
  5. Step 5: Solve for x
    x = 636,317,664.23/28,781.73
  6. Step 6: Final answer
    x = 22,108.39

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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.