Home / 29,072.40-43,522.20-19,222.80

Finding the Fourth Proportional to 29,072.40, 43,522.20 and 19,222.80

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Solution

The fourth proportional to 29,072.40, 43,522.20 and 19,222.80 is: 28,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072.40 : 43,522.20 = 19,222.80 : x
  2. Step 2: Convert to fraction form
    29,072.40/43,522.20 = 19,222.80/x
  3. Step 3: Cross multiply
    29,072.40x = 43,522.20 × 19,222.80
  4. Step 4: Simplify right side
    29,072.40x = 836,618,546.16
  5. Step 5: Solve for x
    x = 836,618,546.16/29,072.40
  6. Step 6: Final answer
    x = 28,777.07

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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.