Home / 20,027.40-30,008.70-16,722.60

Finding the Fourth Proportional to 20,027.40, 30,008.70 and 16,722.60

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Solution

The fourth proportional to 20,027.40, 30,008.70 and 16,722.60 is: 25,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.40 : 30,008.70 = 16,722.60 : x
  2. Step 2: Convert to fraction form
    20,027.40/30,008.70 = 16,722.60/x
  3. Step 3: Cross multiply
    20,027.40x = 30,008.70 × 16,722.60
  4. Step 4: Simplify right side
    20,027.40x = 501,823,486.62
  5. Step 5: Solve for x
    x = 501,823,486.62/20,027.40
  6. Step 6: Final answer
    x = 25,056.85

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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.