Home / 26,845.60-40,249.20-12,042.40

Finding the Fourth Proportional to 26,845.60, 40,249.20 and 12,042.40

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Solution

The fourth proportional to 26,845.60, 40,249.20 and 12,042.40 is: 18,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.60 : 40,249.20 = 12,042.40 : x
  2. Step 2: Convert to fraction form
    26,845.60/40,249.20 = 12,042.40/x
  3. Step 3: Cross multiply
    26,845.60x = 40,249.20 × 12,042.40
  4. Step 4: Simplify right side
    26,845.60x = 484,696,966.08
  5. Step 5: Solve for x
    x = 484,696,966.08/26,845.60
  6. Step 6: Final answer
    x = 18,054.99

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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.