Home / 27,732.56-38,265.61-15,795.64

Finding the Fourth Proportional to 27,732.56, 38,265.61 and 15,795.64

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Solution

The fourth proportional to 27,732.56, 38,265.61 and 15,795.64 is: 21,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.56 : 38,265.61 = 15,795.64 : x
  2. Step 2: Convert to fraction form
    27,732.56/38,265.61 = 15,795.64/x
  3. Step 3: Cross multiply
    27,732.56x = 38,265.61 × 15,795.64
  4. Step 4: Simplify right side
    27,732.56x = 604,429,799.94
  5. Step 5: Solve for x
    x = 604,429,799.94/27,732.56
  6. Step 6: Final answer
    x = 21,794.95

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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.