Home / 27,784.32-41,663.87-11,981.87

Finding the Fourth Proportional to 27,784.32, 41,663.87 and 11,981.87

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Solution

The fourth proportional to 27,784.32, 41,663.87 and 11,981.87 is: 17,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.32 : 41,663.87 = 11,981.87 : x
  2. Step 2: Convert to fraction form
    27,784.32/41,663.87 = 11,981.87/x
  3. Step 3: Cross multiply
    27,784.32x = 41,663.87 × 11,981.87
  4. Step 4: Simplify right side
    27,784.32x = 499,211,241.34
  5. Step 5: Solve for x
    x = 499,211,241.34/27,784.32
  6. Step 6: Final answer
    x = 17,967.38

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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.