Home / 21,600.63-29,792.78-19,180.92

Finding the Fourth Proportional to 21,600.63, 29,792.78 and 19,180.92

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Solution

The fourth proportional to 21,600.63, 29,792.78 and 19,180.92 is: 26,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.63 : 29,792.78 = 19,180.92 : x
  2. Step 2: Convert to fraction form
    21,600.63/29,792.78 = 19,180.92/x
  3. Step 3: Cross multiply
    21,600.63x = 29,792.78 × 19,180.92
  4. Step 4: Simplify right side
    21,600.63x = 571,452,833.85
  5. Step 5: Solve for x
    x = 571,452,833.85/21,600.63
  6. Step 6: Final answer
    x = 26,455.38

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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.