Home / 27,856.20-41,727.60-17,293.80

Finding the Fourth Proportional to 27,856.20, 41,727.60 and 17,293.80

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Solution

The fourth proportional to 27,856.20, 41,727.60 and 17,293.80 is: 25,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.20 : 41,727.60 = 17,293.80 : x
  2. Step 2: Convert to fraction form
    27,856.20/41,727.60 = 17,293.80/x
  3. Step 3: Cross multiply
    27,856.20x = 41,727.60 × 17,293.80
  4. Step 4: Simplify right side
    27,856.20x = 721,628,768.88
  5. Step 5: Solve for x
    x = 721,628,768.88/27,856.20
  6. Step 6: Final answer
    x = 25,905.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.