Home / 21,709.98-29,945.54-17,226.62

Finding the Fourth Proportional to 21,709.98, 29,945.54 and 17,226.62

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Solution

The fourth proportional to 21,709.98, 29,945.54 and 17,226.62 is: 23,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.98 : 29,945.54 = 17,226.62 : x
  2. Step 2: Convert to fraction form
    21,709.98/29,945.54 = 17,226.62/x
  3. Step 3: Cross multiply
    21,709.98x = 29,945.54 × 17,226.62
  4. Step 4: Simplify right side
    21,709.98x = 515,860,438.27
  5. Step 5: Solve for x
    x = 515,860,438.27/21,709.98
  6. Step 6: Final answer
    x = 23,761.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.