Home / 20,266.02-30,364.10-18,211.62

Finding the Fourth Proportional to 20,266.02, 30,364.10 and 18,211.62

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Solution

The fourth proportional to 20,266.02, 30,364.10 and 18,211.62 is: 27,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.02 : 30,364.10 = 18,211.62 : x
  2. Step 2: Convert to fraction form
    20,266.02/30,364.10 = 18,211.62/x
  3. Step 3: Cross multiply
    20,266.02x = 30,364.10 × 18,211.62
  4. Step 4: Simplify right side
    20,266.02x = 552,979,450.84
  5. Step 5: Solve for x
    x = 552,979,450.84/20,266.02
  6. Step 6: Final answer
    x = 27,286.04

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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.