Home / 26,440.82-39,663.05-7,721.03

Finding the Fourth Proportional to 26,440.82, 39,663.05 and 7,721.03

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Solution

The fourth proportional to 26,440.82, 39,663.05 and 7,721.03 is: 11,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.82 : 39,663.05 = 7,721.03 : x
  2. Step 2: Convert to fraction form
    26,440.82/39,663.05 = 7,721.03/x
  3. Step 3: Cross multiply
    26,440.82x = 39,663.05 × 7,721.03
  4. Step 4: Simplify right side
    26,440.82x = 306,239,362.02
  5. Step 5: Solve for x
    x = 306,239,362.02/26,440.82
  6. Step 6: Final answer
    x = 11,582.07

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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.