Home / 17,760.56-26,644.44-5,280.80

Finding the Fourth Proportional to 17,760.56, 26,644.44 and 5,280.80

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Solution

The fourth proportional to 17,760.56, 26,644.44 and 5,280.80 is: 7,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.56 : 26,644.44 = 5,280.80 : x
  2. Step 2: Convert to fraction form
    17,760.56/26,644.44 = 5,280.80/x
  3. Step 3: Cross multiply
    17,760.56x = 26,644.44 × 5,280.80
  4. Step 4: Simplify right side
    17,760.56x = 140,703,958.75
  5. Step 5: Solve for x
    x = 140,703,958.75/17,760.56
  6. Step 6: Final answer
    x = 7,922.27

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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.