Home / 21,194.28-29,203.32-17,404.68

Finding the Fourth Proportional to 21,194.28, 29,203.32 and 17,404.68

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Solution

The fourth proportional to 21,194.28, 29,203.32 and 17,404.68 is: 23,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.28 : 29,203.32 = 17,404.68 : x
  2. Step 2: Convert to fraction form
    21,194.28/29,203.32 = 17,404.68/x
  3. Step 3: Cross multiply
    21,194.28x = 29,203.32 × 17,404.68
  4. Step 4: Simplify right side
    21,194.28x = 508,274,439.54
  5. Step 5: Solve for x
    x = 508,274,439.54/21,194.28
  6. Step 6: Final answer
    x = 23,981.68

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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.