Home / 17,485.05-26,197.20-15,771.90

Finding the Fourth Proportional to 17,485.05, 26,197.20 and 15,771.90

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Solution

The fourth proportional to 17,485.05, 26,197.20 and 15,771.90 is: 23,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.05 : 26,197.20 = 15,771.90 : x
  2. Step 2: Convert to fraction form
    17,485.05/26,197.20 = 15,771.90/x
  3. Step 3: Cross multiply
    17,485.05x = 26,197.20 × 15,771.90
  4. Step 4: Simplify right side
    17,485.05x = 413,179,618.68
  5. Step 5: Solve for x
    x = 413,179,618.68/17,485.05
  6. Step 6: Final answer
    x = 23,630.45

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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.