Home / 20,722.52-31,083.99-16,588.80

Finding the Fourth Proportional to 20,722.52, 31,083.99 and 16,588.80

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Solution

The fourth proportional to 20,722.52, 31,083.99 and 16,588.80 is: 24,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.52 : 31,083.99 = 16,588.80 : x
  2. Step 2: Convert to fraction form
    20,722.52/31,083.99 = 16,588.80/x
  3. Step 3: Cross multiply
    20,722.52x = 31,083.99 × 16,588.80
  4. Step 4: Simplify right side
    20,722.52x = 515,646,093.31
  5. Step 5: Solve for x
    x = 515,646,093.31/20,722.52
  6. Step 6: Final answer
    x = 24,883.37

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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.