Home / 25,463.42-38,104.83-18,784.11

Finding the Fourth Proportional to 25,463.42, 38,104.83 and 18,784.11

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Solution

The fourth proportional to 25,463.42, 38,104.83 and 18,784.11 is: 28,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.42 : 38,104.83 = 18,784.11 : x
  2. Step 2: Convert to fraction form
    25,463.42/38,104.83 = 18,784.11/x
  3. Step 3: Cross multiply
    25,463.42x = 38,104.83 × 18,784.11
  4. Step 4: Simplify right side
    25,463.42x = 715,765,318.25
  5. Step 5: Solve for x
    x = 715,765,318.25/25,463.42
  6. Step 6: Final answer
    x = 28,109.56

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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.