Home / 21,844.63-32,766.94-5,428.63

Finding the Fourth Proportional to 21,844.63, 32,766.94 and 5,428.63

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Solution

The fourth proportional to 21,844.63, 32,766.94 and 5,428.63 is: 8,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.63 : 32,766.94 = 5,428.63 : x
  2. Step 2: Convert to fraction form
    21,844.63/32,766.94 = 5,428.63/x
  3. Step 3: Cross multiply
    21,844.63x = 32,766.94 × 5,428.63
  4. Step 4: Simplify right side
    21,844.63x = 177,879,593.49
  5. Step 5: Solve for x
    x = 177,879,593.49/21,844.63
  6. Step 6: Final answer
    x = 8,142.94

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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.