Home / 21,792.44-30,037.02-16,686.20

Finding the Fourth Proportional to 21,792.44, 30,037.02 and 16,686.20

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Solution

The fourth proportional to 21,792.44, 30,037.02 and 16,686.20 is: 22,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.44 : 30,037.02 = 16,686.20 : x
  2. Step 2: Convert to fraction form
    21,792.44/30,037.02 = 16,686.20/x
  3. Step 3: Cross multiply
    21,792.44x = 30,037.02 × 16,686.20
  4. Step 4: Simplify right side
    21,792.44x = 501,203,723.12
  5. Step 5: Solve for x
    x = 501,203,723.12/21,792.44
  6. Step 6: Final answer
    x = 22,998.97

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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.