Home / 27,732.77-38,272.20-15,797.96

Finding the Fourth Proportional to 27,732.77, 38,272.20 and 15,797.96

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Solution

The fourth proportional to 27,732.77, 38,272.20 and 15,797.96 is: 21,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.77 : 38,272.20 = 15,797.96 : x
  2. Step 2: Convert to fraction form
    27,732.77/38,272.20 = 15,797.96/x
  3. Step 3: Cross multiply
    27,732.77x = 38,272.20 × 15,797.96
  4. Step 4: Simplify right side
    27,732.77x = 604,622,684.71
  5. Step 5: Solve for x
    x = 604,622,684.71/27,732.77
  6. Step 6: Final answer
    x = 21,801.74

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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.