Home / 21,828.44-30,091.40-17,354

Finding the Fourth Proportional to 21,828.44, 30,091.40 and 17,354

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Solution

The fourth proportional to 21,828.44, 30,091.40 and 17,354 is: 23,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.44 : 30,091.40 = 17,354 : x
  2. Step 2: Convert to fraction form
    21,828.44/30,091.40 = 17,354/x
  3. Step 3: Cross multiply
    21,828.44x = 30,091.40 × 17,354
  4. Step 4: Simplify right side
    21,828.44x = 522,206,155.60
  5. Step 5: Solve for x
    x = 522,206,155.60/21,828.44
  6. Step 6: Final answer
    x = 23,923.20

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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.