Home / 26,748.04-40,091.82-12,880.84

Finding the Fourth Proportional to 26,748.04, 40,091.82 and 12,880.84

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Solution

The fourth proportional to 26,748.04, 40,091.82 and 12,880.84 is: 19,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.04 : 40,091.82 = 12,880.84 : x
  2. Step 2: Convert to fraction form
    26,748.04/40,091.82 = 12,880.84/x
  3. Step 3: Cross multiply
    26,748.04x = 40,091.82 × 12,880.84
  4. Step 4: Simplify right side
    26,748.04x = 516,416,318.73
  5. Step 5: Solve for x
    x = 516,416,318.73/26,748.04
  6. Step 6: Final answer
    x = 19,306.70

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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.