Home / 27,272.77-37,636.19-15,335.85

Finding the Fourth Proportional to 27,272.77, 37,636.19 and 15,335.85

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Solution

The fourth proportional to 27,272.77, 37,636.19 and 15,335.85 is: 21,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.77 : 37,636.19 = 15,335.85 : x
  2. Step 2: Convert to fraction form
    27,272.77/37,636.19 = 15,335.85/x
  3. Step 3: Cross multiply
    27,272.77x = 37,636.19 × 15,335.85
  4. Step 4: Simplify right side
    27,272.77x = 577,183,086.38
  5. Step 5: Solve for x
    x = 577,183,086.38/27,272.77
  6. Step 6: Final answer
    x = 21,163.35

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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.