Home / 31,928.99-47,872.62-15,288.48

Finding the Fourth Proportional to 31,928.99, 47,872.62 and 15,288.48

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Solution

The fourth proportional to 31,928.99, 47,872.62 and 15,288.48 is: 22,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.99 : 47,872.62 = 15,288.48 : x
  2. Step 2: Convert to fraction form
    31,928.99/47,872.62 = 15,288.48/x
  3. Step 3: Cross multiply
    31,928.99x = 47,872.62 × 15,288.48
  4. Step 4: Simplify right side
    31,928.99x = 731,899,593.42
  5. Step 5: Solve for x
    x = 731,899,593.42/31,928.99
  6. Step 6: Final answer
    x = 22,922.73

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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.