Home / 21,044.70-31,610.79-16,692.57

Finding the Fourth Proportional to 21,044.70, 31,610.79 and 16,692.57

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Solution

The fourth proportional to 21,044.70, 31,610.79 and 16,692.57 is: 25,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.70 : 31,610.79 = 16,692.57 : x
  2. Step 2: Convert to fraction form
    21,044.70/31,610.79 = 16,692.57/x
  3. Step 3: Cross multiply
    21,044.70x = 31,610.79 × 16,692.57
  4. Step 4: Simplify right side
    21,044.70x = 527,665,324.83
  5. Step 5: Solve for x
    x = 527,665,324.83/21,044.70
  6. Step 6: Final answer
    x = 25,073.55

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1.5x scale

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.