Home / 27,836.72-38,414.40-15,261.44

Finding the Fourth Proportional to 27,836.72, 38,414.40 and 15,261.44

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Solution

The fourth proportional to 27,836.72, 38,414.40 and 15,261.44 is: 21,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.72 : 38,414.40 = 15,261.44 : x
  2. Step 2: Convert to fraction form
    27,836.72/38,414.40 = 15,261.44/x
  3. Step 3: Cross multiply
    27,836.72x = 38,414.40 × 15,261.44
  4. Step 4: Simplify right side
    27,836.72x = 586,259,060.74
  5. Step 5: Solve for x
    x = 586,259,060.74/27,836.72
  6. Step 6: Final answer
    x = 21,060.64

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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.