Home / 21,589.20-32,393.21-7,559.30

Finding the Fourth Proportional to 21,589.20, 32,393.21 and 7,559.30

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Solution

The fourth proportional to 21,589.20, 32,393.21 and 7,559.30 is: 11,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.20 : 32,393.21 = 7,559.30 : x
  2. Step 2: Convert to fraction form
    21,589.20/32,393.21 = 7,559.30/x
  3. Step 3: Cross multiply
    21,589.20x = 32,393.21 × 7,559.30
  4. Step 4: Simplify right side
    21,589.20x = 244,870,035.54
  5. Step 5: Solve for x
    x = 244,870,035.54/21,589.20
  6. Step 6: Final answer
    x = 11,342.25

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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.