Home / 19,979.34-27,571.21-11,027.01

Finding the Fourth Proportional to 19,979.34, 27,571.21 and 11,027.01

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Solution

The fourth proportional to 19,979.34, 27,571.21 and 11,027.01 is: 15,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.34 : 27,571.21 = 11,027.01 : x
  2. Step 2: Convert to fraction form
    19,979.34/27,571.21 = 11,027.01/x
  3. Step 3: Cross multiply
    19,979.34x = 27,571.21 × 11,027.01
  4. Step 4: Simplify right side
    19,979.34x = 304,028,008.38
  5. Step 5: Solve for x
    x = 304,028,008.38/19,979.34
  6. Step 6: Final answer
    x = 15,217.12

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1.5x scale

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.