Home / 21,628.82-32,449.01-6,838.02

Finding the Fourth Proportional to 21,628.82, 32,449.01 and 6,838.02

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Solution

The fourth proportional to 21,628.82, 32,449.01 and 6,838.02 is: 10,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.82 : 32,449.01 = 6,838.02 : x
  2. Step 2: Convert to fraction form
    21,628.82/32,449.01 = 6,838.02/x
  3. Step 3: Cross multiply
    21,628.82x = 32,449.01 × 6,838.02
  4. Step 4: Simplify right side
    21,628.82x = 221,886,945.17
  5. Step 5: Solve for x
    x = 221,886,945.17/21,628.82
  6. Step 6: Final answer
    x = 10,258.85

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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.