Home / 19,727.60-27,226.43-11,231.76

Finding the Fourth Proportional to 19,727.60, 27,226.43 and 11,231.76

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Solution

The fourth proportional to 19,727.60, 27,226.43 and 11,231.76 is: 15,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.60 : 27,226.43 = 11,231.76 : x
  2. Step 2: Convert to fraction form
    19,727.60/27,226.43 = 11,231.76/x
  3. Step 3: Cross multiply
    19,727.60x = 27,226.43 × 11,231.76
  4. Step 4: Simplify right side
    19,727.60x = 305,800,815.48
  5. Step 5: Solve for x
    x = 305,800,815.48/19,727.60
  6. Step 6: Final answer
    x = 15,501.17

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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.