Home / 27,104.06-40,659.96-8,385.69

Finding the Fourth Proportional to 27,104.06, 40,659.96 and 8,385.69

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Solution

The fourth proportional to 27,104.06, 40,659.96 and 8,385.69 is: 12,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.06 : 40,659.96 = 8,385.69 : x
  2. Step 2: Convert to fraction form
    27,104.06/40,659.96 = 8,385.69/x
  3. Step 3: Cross multiply
    27,104.06x = 40,659.96 × 8,385.69
  4. Step 4: Simplify right side
    27,104.06x = 340,961,788.53
  5. Step 5: Solve for x
    x = 340,961,788.53/27,104.06
  6. Step 6: Final answer
    x = 12,579.73

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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.