Home / 21,474.64-32,216.44-6,685.52

Finding the Fourth Proportional to 21,474.64, 32,216.44 and 6,685.52

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Solution

The fourth proportional to 21,474.64, 32,216.44 and 6,685.52 is: 10,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.64 : 32,216.44 = 6,685.52 : x
  2. Step 2: Convert to fraction form
    21,474.64/32,216.44 = 6,685.52/x
  3. Step 3: Cross multiply
    21,474.64x = 32,216.44 × 6,685.52
  4. Step 4: Simplify right side
    21,474.64x = 215,383,653.95
  5. Step 5: Solve for x
    x = 215,383,653.95/21,474.64
  6. Step 6: Final answer
    x = 10,029.67

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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.