Home / 27,787.05-38,318.83-25,481.95

Finding the Fourth Proportional to 27,787.05, 38,318.83 and 25,481.95

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Solution

The fourth proportional to 27,787.05, 38,318.83 and 25,481.95 is: 35,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.05 : 38,318.83 = 25,481.95 : x
  2. Step 2: Convert to fraction form
    27,787.05/38,318.83 = 25,481.95/x
  3. Step 3: Cross multiply
    27,787.05x = 38,318.83 × 25,481.95
  4. Step 4: Simplify right side
    27,787.05x = 976,438,350.38
  5. Step 5: Solve for x
    x = 976,438,350.38/27,787.05
  6. Step 6: Final answer
    x = 35,140.05

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1.5x scale

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.