Home / 27,424.49-41,151.60-11,638.40

Finding the Fourth Proportional to 27,424.49, 41,151.60 and 11,638.40

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Solution

The fourth proportional to 27,424.49, 41,151.60 and 11,638.40 is: 17,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.49 : 41,151.60 = 11,638.40 : x
  2. Step 2: Convert to fraction form
    27,424.49/41,151.60 = 11,638.40/x
  3. Step 3: Cross multiply
    27,424.49x = 41,151.60 × 11,638.40
  4. Step 4: Simplify right side
    27,424.49x = 478,938,575.68
  5. Step 5: Solve for x
    x = 478,938,575.68/27,424.49
  6. Step 6: Final answer
    x = 17,463.90

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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.