Home / 21,396.32-32,086.49-7,352.36

Finding the Fourth Proportional to 21,396.32, 32,086.49 and 7,352.36

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Solution

The fourth proportional to 21,396.32, 32,086.49 and 7,352.36 is: 11,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.32 : 32,086.49 = 7,352.36 : x
  2. Step 2: Convert to fraction form
    21,396.32/32,086.49 = 7,352.36/x
  3. Step 3: Cross multiply
    21,396.32x = 32,086.49 × 7,352.36
  4. Step 4: Simplify right side
    21,396.32x = 235,911,425.62
  5. Step 5: Solve for x
    x = 235,911,425.62/21,396.32
  6. Step 6: Final answer
    x = 11,025.79

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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.