Home / 22,169.79-30,598.11-21,173.31

Finding the Fourth Proportional to 22,169.79, 30,598.11 and 21,173.31

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Solution

The fourth proportional to 22,169.79, 30,598.11 and 21,173.31 is: 29,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.79 : 30,598.11 = 21,173.31 : x
  2. Step 2: Convert to fraction form
    22,169.79/30,598.11 = 21,173.31/x
  3. Step 3: Cross multiply
    22,169.79x = 30,598.11 × 21,173.31
  4. Step 4: Simplify right side
    22,169.79x = 647,863,268.44
  5. Step 5: Solve for x
    x = 647,863,268.44/22,169.79
  6. Step 6: Final answer
    x = 29,222.80

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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.