Home / 22,838.20-34,199.70-18,230.20

Finding the Fourth Proportional to 22,838.20, 34,199.70 and 18,230.20

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Solution

The fourth proportional to 22,838.20, 34,199.70 and 18,230.20 is: 27,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.20 : 34,199.70 = 18,230.20 : x
  2. Step 2: Convert to fraction form
    22,838.20/34,199.70 = 18,230.20/x
  3. Step 3: Cross multiply
    22,838.20x = 34,199.70 × 18,230.20
  4. Step 4: Simplify right side
    22,838.20x = 623,467,370.94
  5. Step 5: Solve for x
    x = 623,467,370.94/22,838.20
  6. Step 6: Final answer
    x = 27,299.32

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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.