Home / 27,322.38-37,700.71-15,385.41

Finding the Fourth Proportional to 27,322.38, 37,700.71 and 15,385.41

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Solution

The fourth proportional to 27,322.38, 37,700.71 and 15,385.41 is: 21,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.38 : 37,700.71 = 15,385.41 : x
  2. Step 2: Convert to fraction form
    27,322.38/37,700.71 = 15,385.41/x
  3. Step 3: Cross multiply
    27,322.38x = 37,700.71 × 15,385.41
  4. Step 4: Simplify right side
    27,322.38x = 580,040,842.18
  5. Step 5: Solve for x
    x = 580,040,842.18/27,322.38
  6. Step 6: Final answer
    x = 21,229.51

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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.