Home / 21,551.16-32,356.99-11,028.73

Finding the Fourth Proportional to 21,551.16, 32,356.99 and 11,028.73

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Solution

The fourth proportional to 21,551.16, 32,356.99 and 11,028.73 is: 16,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.16 : 32,356.99 = 11,028.73 : x
  2. Step 2: Convert to fraction form
    21,551.16/32,356.99 = 11,028.73/x
  3. Step 3: Cross multiply
    21,551.16x = 32,356.99 × 11,028.73
  4. Step 4: Simplify right side
    21,551.16x = 356,856,451.18
  5. Step 5: Solve for x
    x = 356,856,451.18/21,551.16
  6. Step 6: Final answer
    x = 16,558.58

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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.