Home / 26,809.84-40,219.99-8,091.39

Finding the Fourth Proportional to 26,809.84, 40,219.99 and 8,091.39

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Solution

The fourth proportional to 26,809.84, 40,219.99 and 8,091.39 is: 12,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.84 : 40,219.99 = 8,091.39 : x
  2. Step 2: Convert to fraction form
    26,809.84/40,219.99 = 8,091.39/x
  3. Step 3: Cross multiply
    26,809.84x = 40,219.99 × 8,091.39
  4. Step 4: Simplify right side
    26,809.84x = 325,435,801.00
  5. Step 5: Solve for x
    x = 325,435,801.00/26,809.84
  6. Step 6: Final answer
    x = 12,138.67

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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.