Home / 27,836.52-38,414.70-15,261

Finding the Fourth Proportional to 27,836.52, 38,414.70 and 15,261

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Solution

The fourth proportional to 27,836.52, 38,414.70 and 15,261 is: 21,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.52 : 38,414.70 = 15,261 : x
  2. Step 2: Convert to fraction form
    27,836.52/38,414.70 = 15,261/x
  3. Step 3: Cross multiply
    27,836.52x = 38,414.70 × 15,261
  4. Step 4: Simplify right side
    27,836.52x = 586,246,736.70
  5. Step 5: Solve for x
    x = 586,246,736.70/27,836.52
  6. Step 6: Final answer
    x = 21,060.35

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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.