Home / 19,979.62-27,572.14-11,027.50

Finding the Fourth Proportional to 19,979.62, 27,572.14 and 11,027.50

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Solution

The fourth proportional to 19,979.62, 27,572.14 and 11,027.50 is: 15,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.62 : 27,572.14 = 11,027.50 : x
  2. Step 2: Convert to fraction form
    19,979.62/27,572.14 = 11,027.50/x
  3. Step 3: Cross multiply
    19,979.62x = 27,572.14 × 11,027.50
  4. Step 4: Simplify right side
    19,979.62x = 304,051,773.85
  5. Step 5: Solve for x
    x = 304,051,773.85/19,979.62
  6. Step 6: Final answer
    x = 15,218.10

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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.