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Finding the Fourth Proportional to 22,755.80, 34,133.70 and 19,256.60

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Solution

The fourth proportional to 22,755.80, 34,133.70 and 19,256.60 is: 28,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,755.80 : 34,133.70 = 19,256.60 : x
  2. Step 2: Convert to fraction form
    22,755.80/34,133.70 = 19,256.60/x
  3. Step 3: Cross multiply
    22,755.80x = 34,133.70 × 19,256.60
  4. Step 4: Simplify right side
    22,755.80x = 657,299,007.42
  5. Step 5: Solve for x
    x = 657,299,007.42/22,755.80
  6. Step 6: Final answer
    x = 28,884.90

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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.