Home / 27,917.58-38,526.30-15,170.82

Finding the Fourth Proportional to 27,917.58, 38,526.30 and 15,170.82

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Solution

The fourth proportional to 27,917.58, 38,526.30 and 15,170.82 is: 20,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.58 : 38,526.30 = 15,170.82 : x
  2. Step 2: Convert to fraction form
    27,917.58/38,526.30 = 15,170.82/x
  3. Step 3: Cross multiply
    27,917.58x = 38,526.30 × 15,170.82
  4. Step 4: Simplify right side
    27,917.58x = 584,475,562.57
  5. Step 5: Solve for x
    x = 584,475,562.57/27,917.58
  6. Step 6: Final answer
    x = 20,935.75

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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.