Home / 26,388.13-39,572.61-7,663.09

Finding the Fourth Proportional to 26,388.13, 39,572.61 and 7,663.09

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Solution

The fourth proportional to 26,388.13, 39,572.61 and 7,663.09 is: 11,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.13 : 39,572.61 = 7,663.09 : x
  2. Step 2: Convert to fraction form
    26,388.13/39,572.61 = 7,663.09/x
  3. Step 3: Cross multiply
    26,388.13x = 39,572.61 × 7,663.09
  4. Step 4: Simplify right side
    26,388.13x = 303,248,471.96
  5. Step 5: Solve for x
    x = 303,248,471.96/26,388.13
  6. Step 6: Final answer
    x = 11,491.85

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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.