Home / 21,958.85-30,229.81-19,264.74

Finding the Fourth Proportional to 21,958.85, 30,229.81 and 19,264.74

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Solution

The fourth proportional to 21,958.85, 30,229.81 and 19,264.74 is: 26,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.85 : 30,229.81 = 19,264.74 : x
  2. Step 2: Convert to fraction form
    21,958.85/30,229.81 = 19,264.74/x
  3. Step 3: Cross multiply
    21,958.85x = 30,229.81 × 19,264.74
  4. Step 4: Simplify right side
    21,958.85x = 582,369,268.38
  5. Step 5: Solve for x
    x = 582,369,268.38/21,958.85
  6. Step 6: Final answer
    x = 26,520.94

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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.