Home / 20,914.66-31,372.04-14,702.43

Finding the Fourth Proportional to 20,914.66, 31,372.04 and 14,702.43

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Solution

The fourth proportional to 20,914.66, 31,372.04 and 14,702.43 is: 22,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.66 : 31,372.04 = 14,702.43 : x
  2. Step 2: Convert to fraction form
    20,914.66/31,372.04 = 14,702.43/x
  3. Step 3: Cross multiply
    20,914.66x = 31,372.04 × 14,702.43
  4. Step 4: Simplify right side
    20,914.66x = 461,245,293.76
  5. Step 5: Solve for x
    x = 461,245,293.76/20,914.66
  6. Step 6: Final answer
    x = 22,053.68

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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.