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Finding the Fourth Proportional to 17,292.20, 25,938.30 and 5,606.60

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Solution

The fourth proportional to 17,292.20, 25,938.30 and 5,606.60 is: 8,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.20 : 25,938.30 = 5,606.60 : x
  2. Step 2: Convert to fraction form
    17,292.20/25,938.30 = 5,606.60/x
  3. Step 3: Cross multiply
    17,292.20x = 25,938.30 × 5,606.60
  4. Step 4: Simplify right side
    17,292.20x = 145,425,672.78
  5. Step 5: Solve for x
    x = 145,425,672.78/17,292.20
  6. Step 6: Final answer
    x = 8,409.90

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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.