Home / 21,792.57-30,078.45-13,833.24

Finding the Fourth Proportional to 21,792.57, 30,078.45 and 13,833.24

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Solution

The fourth proportional to 21,792.57, 30,078.45 and 13,833.24 is: 19,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.57 : 30,078.45 = 13,833.24 : x
  2. Step 2: Convert to fraction form
    21,792.57/30,078.45 = 13,833.24/x
  3. Step 3: Cross multiply
    21,792.57x = 30,078.45 × 13,833.24
  4. Step 4: Simplify right side
    21,792.57x = 416,082,417.68
  5. Step 5: Solve for x
    x = 416,082,417.68/21,792.57
  6. Step 6: Final answer
    x = 19,092.86

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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.