Home / 17,520.72-26,301.88-13,825.60

Finding the Fourth Proportional to 17,520.72, 26,301.88 and 13,825.60

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Solution

The fourth proportional to 17,520.72, 26,301.88 and 13,825.60 is: 20,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.72 : 26,301.88 = 13,825.60 : x
  2. Step 2: Convert to fraction form
    17,520.72/26,301.88 = 13,825.60/x
  3. Step 3: Cross multiply
    17,520.72x = 26,301.88 × 13,825.60
  4. Step 4: Simplify right side
    17,520.72x = 363,639,272.13
  5. Step 5: Solve for x
    x = 363,639,272.13/17,520.72
  6. Step 6: Final answer
    x = 20,754.81

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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.