Home / 19,979.64-27,571.88-11,027.14

Finding the Fourth Proportional to 19,979.64, 27,571.88 and 11,027.14

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Solution

The fourth proportional to 19,979.64, 27,571.88 and 11,027.14 is: 15,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.64 : 27,571.88 = 11,027.14 : x
  2. Step 2: Convert to fraction form
    19,979.64/27,571.88 = 11,027.14/x
  3. Step 3: Cross multiply
    19,979.64x = 27,571.88 × 11,027.14
  4. Step 4: Simplify right side
    19,979.64x = 304,038,980.82
  5. Step 5: Solve for x
    x = 304,038,980.82/19,979.64
  6. Step 6: Final answer
    x = 15,217.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.