Home / 35,787.92-49,383.72-20,892.56

Finding the Fourth Proportional to 35,787.92, 49,383.72 and 20,892.56

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Solution

The fourth proportional to 35,787.92, 49,383.72 and 20,892.56 is: 28,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.92 : 49,383.72 = 20,892.56 : x
  2. Step 2: Convert to fraction form
    35,787.92/49,383.72 = 20,892.56/x
  3. Step 3: Cross multiply
    35,787.92x = 49,383.72 × 20,892.56
  4. Step 4: Simplify right side
    35,787.92x = 1,031,752,333.12
  5. Step 5: Solve for x
    x = 1,031,752,333.12/35,787.92
  6. Step 6: Final answer
    x = 28,829.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.