Home / 21,627.97-32,439.15-6,838.38

Finding the Fourth Proportional to 21,627.97, 32,439.15 and 6,838.38

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Solution

The fourth proportional to 21,627.97, 32,439.15 and 6,838.38 is: 10,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.97 : 32,439.15 = 6,838.38 : x
  2. Step 2: Convert to fraction form
    21,627.97/32,439.15 = 6,838.38/x
  3. Step 3: Cross multiply
    21,627.97x = 32,439.15 × 6,838.38
  4. Step 4: Simplify right side
    21,627.97x = 221,831,234.58
  5. Step 5: Solve for x
    x = 221,831,234.58/21,627.97
  6. Step 6: Final answer
    x = 10,256.68

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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.