Home / 26,920.20-40,380.30-17,070.60

Finding the Fourth Proportional to 26,920.20, 40,380.30 and 17,070.60

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Solution

The fourth proportional to 26,920.20, 40,380.30 and 17,070.60 is: 25,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.20 : 40,380.30 = 17,070.60 : x
  2. Step 2: Convert to fraction form
    26,920.20/40,380.30 = 17,070.60/x
  3. Step 3: Cross multiply
    26,920.20x = 40,380.30 × 17,070.60
  4. Step 4: Simplify right side
    26,920.20x = 689,315,949.18
  5. Step 5: Solve for x
    x = 689,315,949.18/26,920.20
  6. Step 6: Final answer
    x = 25,605.90

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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.