Home / 26,890.59-40,333.04-7,171.14

Finding the Fourth Proportional to 26,890.59, 40,333.04 and 7,171.14

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Solution

The fourth proportional to 26,890.59, 40,333.04 and 7,171.14 is: 10,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.59 : 40,333.04 = 7,171.14 : x
  2. Step 2: Convert to fraction form
    26,890.59/40,333.04 = 7,171.14/x
  3. Step 3: Cross multiply
    26,890.59x = 40,333.04 × 7,171.14
  4. Step 4: Simplify right side
    26,890.59x = 289,233,876.47
  5. Step 5: Solve for x
    x = 289,233,876.47/26,890.59
  6. Step 6: Final answer
    x = 10,755.95

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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.