Home / 22,817.79-34,178.99-18,351.32

Finding the Fourth Proportional to 22,817.79, 34,178.99 and 18,351.32

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Solution

The fourth proportional to 22,817.79, 34,178.99 and 18,351.32 is: 27,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,817.79 : 34,178.99 = 18,351.32 : x
  2. Step 2: Convert to fraction form
    22,817.79/34,178.99 = 18,351.32/x
  3. Step 3: Cross multiply
    22,817.79x = 34,178.99 × 18,351.32
  4. Step 4: Simplify right side
    22,817.79x = 627,229,320.12
  5. Step 5: Solve for x
    x = 627,229,320.12/22,817.79
  6. Step 6: Final answer
    x = 27,488.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.