Home / 17,078.30-25,617.45-16,859.60

Finding the Fourth Proportional to 17,078.30, 25,617.45 and 16,859.60

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Solution

The fourth proportional to 17,078.30, 25,617.45 and 16,859.60 is: 25,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.30 : 25,617.45 = 16,859.60 : x
  2. Step 2: Convert to fraction form
    17,078.30/25,617.45 = 16,859.60/x
  3. Step 3: Cross multiply
    17,078.30x = 25,617.45 × 16,859.60
  4. Step 4: Simplify right side
    17,078.30x = 431,899,960.02
  5. Step 5: Solve for x
    x = 431,899,960.02/17,078.30
  6. Step 6: Final answer
    x = 25,289.40

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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.