Home / 27,917.73-38,526.27-15,170.79

Finding the Fourth Proportional to 27,917.73, 38,526.27 and 15,170.79

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Solution

The fourth proportional to 27,917.73, 38,526.27 and 15,170.79 is: 20,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.73 : 38,526.27 = 15,170.79 : x
  2. Step 2: Convert to fraction form
    27,917.73/38,526.27 = 15,170.79/x
  3. Step 3: Cross multiply
    27,917.73x = 38,526.27 × 15,170.79
  4. Step 4: Simplify right side
    27,917.73x = 584,474,039.24
  5. Step 5: Solve for x
    x = 584,474,039.24/27,917.73
  6. Step 6: Final answer
    x = 20,935.59

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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.