Home / 27,847.23-38,429.24-15,910.54

Finding the Fourth Proportional to 27,847.23, 38,429.24 and 15,910.54

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Solution

The fourth proportional to 27,847.23, 38,429.24 and 15,910.54 is: 21,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.23 : 38,429.24 = 15,910.54 : x
  2. Step 2: Convert to fraction form
    27,847.23/38,429.24 = 15,910.54/x
  3. Step 3: Cross multiply
    27,847.23x = 38,429.24 × 15,910.54
  4. Step 4: Simplify right side
    27,847.23x = 611,429,838.60
  5. Step 5: Solve for x
    x = 611,429,838.60/27,847.23
  6. Step 6: Final answer
    x = 21,956.58

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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.