Home / 17,002.80-25,504.20-5,319.60

Finding the Fourth Proportional to 17,002.80, 25,504.20 and 5,319.60

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Solution

The fourth proportional to 17,002.80, 25,504.20 and 5,319.60 is: 7,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.80 : 25,504.20 = 5,319.60 : x
  2. Step 2: Convert to fraction form
    17,002.80/25,504.20 = 5,319.60/x
  3. Step 3: Cross multiply
    17,002.80x = 25,504.20 × 5,319.60
  4. Step 4: Simplify right side
    17,002.80x = 135,672,142.32
  5. Step 5: Solve for x
    x = 135,672,142.32/17,002.80
  6. Step 6: Final answer
    x = 7,979.40

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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.