Home / 18,590.49-27,889.70-5,443.29

Finding the Fourth Proportional to 18,590.49, 27,889.70 and 5,443.29

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Solution

The fourth proportional to 18,590.49, 27,889.70 and 5,443.29 is: 8,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.49 : 27,889.70 = 5,443.29 : x
  2. Step 2: Convert to fraction form
    18,590.49/27,889.70 = 5,443.29/x
  3. Step 3: Cross multiply
    18,590.49x = 27,889.70 × 5,443.29
  4. Step 4: Simplify right side
    18,590.49x = 151,811,697.90
  5. Step 5: Solve for x
    x = 151,811,697.90/18,590.49
  6. Step 6: Final answer
    x = 8,166.09

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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.