Home / 17,319.60-25,979.40-15,132.60

Finding the Fourth Proportional to 17,319.60, 25,979.40 and 15,132.60

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Solution

The fourth proportional to 17,319.60, 25,979.40 and 15,132.60 is: 22,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.60 : 25,979.40 = 15,132.60 : x
  2. Step 2: Convert to fraction form
    17,319.60/25,979.40 = 15,132.60/x
  3. Step 3: Cross multiply
    17,319.60x = 25,979.40 × 15,132.60
  4. Step 4: Simplify right side
    17,319.60x = 393,135,868.44
  5. Step 5: Solve for x
    x = 393,135,868.44/17,319.60
  6. Step 6: Final answer
    x = 22,698.90

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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.