Home / 21,027.22-31,497.72-16,844.56

Finding the Fourth Proportional to 21,027.22, 31,497.72 and 16,844.56

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Solution

The fourth proportional to 21,027.22, 31,497.72 and 16,844.56 is: 25,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.22 : 31,497.72 = 16,844.56 : x
  2. Step 2: Convert to fraction form
    21,027.22/31,497.72 = 16,844.56/x
  3. Step 3: Cross multiply
    21,027.22x = 31,497.72 × 16,844.56
  4. Step 4: Simplify right side
    21,027.22x = 530,565,234.40
  5. Step 5: Solve for x
    x = 530,565,234.40/21,027.22
  6. Step 6: Final answer
    x = 25,232.31

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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.