Home / 22,288-30,739.73-18,941.89

Finding the Fourth Proportional to 22,288, 30,739.73 and 18,941.89

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Solution

The fourth proportional to 22,288, 30,739.73 and 18,941.89 is: 26,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288 : 30,739.73 = 18,941.89 : x
  2. Step 2: Convert to fraction form
    22,288/30,739.73 = 18,941.89/x
  3. Step 3: Cross multiply
    22,288x = 30,739.73 × 18,941.89
  4. Step 4: Simplify right side
    22,288x = 582,268,584.29
  5. Step 5: Solve for x
    x = 582,268,584.29/22,288
  6. Step 6: Final answer
    x = 26,124.76

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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.