Home / 21,224.28-29,288.22-11,792.52

Finding the Fourth Proportional to 21,224.28, 29,288.22 and 11,792.52

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Solution

The fourth proportional to 21,224.28, 29,288.22 and 11,792.52 is: 16,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.28 : 29,288.22 = 11,792.52 : x
  2. Step 2: Convert to fraction form
    21,224.28/29,288.22 = 11,792.52/x
  3. Step 3: Cross multiply
    21,224.28x = 29,288.22 × 11,792.52
  4. Step 4: Simplify right side
    21,224.28x = 345,381,920.11
  5. Step 5: Solve for x
    x = 345,381,920.11/21,224.28
  6. Step 6: Final answer
    x = 16,272.96

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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.