Home / 26,841.60-40,262.20-8,121.60

Finding the Fourth Proportional to 26,841.60, 40,262.20 and 8,121.60

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Solution

The fourth proportional to 26,841.60, 40,262.20 and 8,121.60 is: 12,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.60 : 40,262.20 = 8,121.60 : x
  2. Step 2: Convert to fraction form
    26,841.60/40,262.20 = 8,121.60/x
  3. Step 3: Cross multiply
    26,841.60x = 40,262.20 × 8,121.60
  4. Step 4: Simplify right side
    26,841.60x = 326,993,483.52
  5. Step 5: Solve for x
    x = 326,993,483.52/26,841.60
  6. Step 6: Final answer
    x = 12,182.34

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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.