Home / 20,102.22-30,158.37-17,579.88

Finding the Fourth Proportional to 20,102.22, 30,158.37 and 17,579.88

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Solution

The fourth proportional to 20,102.22, 30,158.37 and 17,579.88 is: 26,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.22 : 30,158.37 = 17,579.88 : x
  2. Step 2: Convert to fraction form
    20,102.22/30,158.37 = 17,579.88/x
  3. Step 3: Cross multiply
    20,102.22x = 30,158.37 × 17,579.88
  4. Step 4: Simplify right side
    20,102.22x = 530,180,525.60
  5. Step 5: Solve for x
    x = 530,180,525.60/20,102.22
  6. Step 6: Final answer
    x = 26,374.23

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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.