Home / 21,028.92-29,019.93-11,468.82

Finding the Fourth Proportional to 21,028.92, 29,019.93 and 11,468.82

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Solution

The fourth proportional to 21,028.92, 29,019.93 and 11,468.82 is: 15,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.92 : 29,019.93 = 11,468.82 : x
  2. Step 2: Convert to fraction form
    21,028.92/29,019.93 = 11,468.82/x
  3. Step 3: Cross multiply
    21,028.92x = 29,019.93 × 11,468.82
  4. Step 4: Simplify right side
    21,028.92x = 332,824,382.25
  5. Step 5: Solve for x
    x = 332,824,382.25/21,028.92
  6. Step 6: Final answer
    x = 15,826.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.