Home / 17,222.80-25,834.20-15,343.60

Finding the Fourth Proportional to 17,222.80, 25,834.20 and 15,343.60

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Solution

The fourth proportional to 17,222.80, 25,834.20 and 15,343.60 is: 23,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.80 : 25,834.20 = 15,343.60 : x
  2. Step 2: Convert to fraction form
    17,222.80/25,834.20 = 15,343.60/x
  3. Step 3: Cross multiply
    17,222.80x = 25,834.20 × 15,343.60
  4. Step 4: Simplify right side
    17,222.80x = 396,389,631.12
  5. Step 5: Solve for x
    x = 396,389,631.12/17,222.80
  6. Step 6: Final answer
    x = 23,015.40

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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.