Home / 21,932.74-32,911.64-9,281.50

Finding the Fourth Proportional to 21,932.74, 32,911.64 and 9,281.50

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Solution

The fourth proportional to 21,932.74, 32,911.64 and 9,281.50 is: 13,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.74 : 32,911.64 = 9,281.50 : x
  2. Step 2: Convert to fraction form
    21,932.74/32,911.64 = 9,281.50/x
  3. Step 3: Cross multiply
    21,932.74x = 32,911.64 × 9,281.50
  4. Step 4: Simplify right side
    21,932.74x = 305,469,245.31
  5. Step 5: Solve for x
    x = 305,469,245.31/21,932.74
  6. Step 6: Final answer
    x = 13,927.55

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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.