Home / 21,060.44-31,589.66-5,265.57

Finding the Fourth Proportional to 21,060.44, 31,589.66 and 5,265.57

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Solution

The fourth proportional to 21,060.44, 31,589.66 and 5,265.57 is: 7,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.44 : 31,589.66 = 5,265.57 : x
  2. Step 2: Convert to fraction form
    21,060.44/31,589.66 = 5,265.57/x
  3. Step 3: Cross multiply
    21,060.44x = 31,589.66 × 5,265.57
  4. Step 4: Simplify right side
    21,060.44x = 166,337,539.68
  5. Step 5: Solve for x
    x = 166,337,539.68/21,060.44
  6. Step 6: Final answer
    x = 7,898.11

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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.