Home / 18,376.22-27,565.79-5,724.42

Finding the Fourth Proportional to 18,376.22, 27,565.79 and 5,724.42

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Solution

The fourth proportional to 18,376.22, 27,565.79 and 5,724.42 is: 8,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.22 : 27,565.79 = 5,724.42 : x
  2. Step 2: Convert to fraction form
    18,376.22/27,565.79 = 5,724.42/x
  3. Step 3: Cross multiply
    18,376.22x = 27,565.79 × 5,724.42
  4. Step 4: Simplify right side
    18,376.22x = 157,798,130.97
  5. Step 5: Solve for x
    x = 157,798,130.97/18,376.22
  6. Step 6: Final answer
    x = 8,587.09

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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.