Home / 27,835.05-38,410.92-15,896.04

Finding the Fourth Proportional to 27,835.05, 38,410.92 and 15,896.04

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Solution

The fourth proportional to 27,835.05, 38,410.92 and 15,896.04 is: 21,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.05 : 38,410.92 = 15,896.04 : x
  2. Step 2: Convert to fraction form
    27,835.05/38,410.92 = 15,896.04/x
  3. Step 3: Cross multiply
    27,835.05x = 38,410.92 × 15,896.04
  4. Step 4: Simplify right side
    27,835.05x = 610,581,520.76
  5. Step 5: Solve for x
    x = 610,581,520.76/27,835.05
  6. Step 6: Final answer
    x = 21,935.71

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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.