Home / 28,787.84-43,105.62-22,560.56

Finding the Fourth Proportional to 28,787.84, 43,105.62 and 22,560.56

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Solution

The fourth proportional to 28,787.84, 43,105.62 and 22,560.56 is: 33,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.84 : 43,105.62 = 22,560.56 : x
  2. Step 2: Convert to fraction form
    28,787.84/43,105.62 = 22,560.56/x
  3. Step 3: Cross multiply
    28,787.84x = 43,105.62 × 22,560.56
  4. Step 4: Simplify right side
    28,787.84x = 972,486,926.35
  5. Step 5: Solve for x
    x = 972,486,926.35/28,787.84
  6. Step 6: Final answer
    x = 33,781.17

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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.