Home / 27,382.44-37,787.25-15,445.80

Finding the Fourth Proportional to 27,382.44, 37,787.25 and 15,445.80

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Solution

The fourth proportional to 27,382.44, 37,787.25 and 15,445.80 is: 21,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.44 : 37,787.25 = 15,445.80 : x
  2. Step 2: Convert to fraction form
    27,382.44/37,787.25 = 15,445.80/x
  3. Step 3: Cross multiply
    27,382.44x = 37,787.25 × 15,445.80
  4. Step 4: Simplify right side
    27,382.44x = 583,654,306.05
  5. Step 5: Solve for x
    x = 583,654,306.05/27,382.44
  6. Step 6: Final answer
    x = 21,314.91

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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.