Home / 20,226.27-30,302.38-14,665.80

Finding the Fourth Proportional to 20,226.27, 30,302.38 and 14,665.80

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Solution

The fourth proportional to 20,226.27, 30,302.38 and 14,665.80 is: 21,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.27 : 30,302.38 = 14,665.80 : x
  2. Step 2: Convert to fraction form
    20,226.27/30,302.38 = 14,665.80/x
  3. Step 3: Cross multiply
    20,226.27x = 30,302.38 × 14,665.80
  4. Step 4: Simplify right side
    20,226.27x = 444,408,644.60
  5. Step 5: Solve for x
    x = 444,408,644.60/20,226.27
  6. Step 6: Final answer
    x = 21,971.85

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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.