Home / 21,559.82-32,339.87-7,519.79

Finding the Fourth Proportional to 21,559.82, 32,339.87 and 7,519.79

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Solution

The fourth proportional to 21,559.82, 32,339.87 and 7,519.79 is: 11,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.82 : 32,339.87 = 7,519.79 : x
  2. Step 2: Convert to fraction form
    21,559.82/32,339.87 = 7,519.79/x
  3. Step 3: Cross multiply
    21,559.82x = 32,339.87 × 7,519.79
  4. Step 4: Simplify right side
    21,559.82x = 243,188,993.43
  5. Step 5: Solve for x
    x = 243,188,993.43/21,559.82
  6. Step 6: Final answer
    x = 11,279.73

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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.