Home / 17,230.66-25,729.27-13,680.83

Finding the Fourth Proportional to 17,230.66, 25,729.27 and 13,680.83

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Solution

The fourth proportional to 17,230.66, 25,729.27 and 13,680.83 is: 20,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.66 : 25,729.27 = 13,680.83 : x
  2. Step 2: Convert to fraction form
    17,230.66/25,729.27 = 13,680.83/x
  3. Step 3: Cross multiply
    17,230.66x = 25,729.27 × 13,680.83
  4. Step 4: Simplify right side
    17,230.66x = 351,997,799.02
  5. Step 5: Solve for x
    x = 351,997,799.02/17,230.66
  6. Step 6: Final answer
    x = 20,428.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.