Home / 26,086.56-39,135.60-12,228

Finding the Fourth Proportional to 26,086.56, 39,135.60 and 12,228

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Solution

The fourth proportional to 26,086.56, 39,135.60 and 12,228 is: 18,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.56 : 39,135.60 = 12,228 : x
  2. Step 2: Convert to fraction form
    26,086.56/39,135.60 = 12,228/x
  3. Step 3: Cross multiply
    26,086.56x = 39,135.60 × 12,228
  4. Step 4: Simplify right side
    26,086.56x = 478,550,116.80
  5. Step 5: Solve for x
    x = 478,550,116.80/26,086.56
  6. Step 6: Final answer
    x = 18,344.70

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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.