Home / 20,281.67-30,381.20-16,546.76

Finding the Fourth Proportional to 20,281.67, 30,381.20 and 16,546.76

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Solution

The fourth proportional to 20,281.67, 30,381.20 and 16,546.76 is: 24,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.67 : 30,381.20 = 16,546.76 : x
  2. Step 2: Convert to fraction form
    20,281.67/30,381.20 = 16,546.76/x
  3. Step 3: Cross multiply
    20,281.67x = 30,381.20 × 16,546.76
  4. Step 4: Simplify right side
    20,281.67x = 502,710,190.27
  5. Step 5: Solve for x
    x = 502,710,190.27/20,281.67
  6. Step 6: Final answer
    x = 24,786.44

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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.