Home / 31,927.80-47,921.22-16,143.96

Finding the Fourth Proportional to 31,927.80, 47,921.22 and 16,143.96

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Solution

The fourth proportional to 31,927.80, 47,921.22 and 16,143.96 is: 24,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.80 : 47,921.22 = 16,143.96 : x
  2. Step 2: Convert to fraction form
    31,927.80/47,921.22 = 16,143.96/x
  3. Step 3: Cross multiply
    31,927.80x = 47,921.22 × 16,143.96
  4. Step 4: Simplify right side
    31,927.80x = 773,638,258.83
  5. Step 5: Solve for x
    x = 773,638,258.83/31,927.80
  6. Step 6: Final answer
    x = 24,230.87

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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.