Home / 26,809.40-40,206.90-11,223.80

Finding the Fourth Proportional to 26,809.40, 40,206.90 and 11,223.80

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Solution

The fourth proportional to 26,809.40, 40,206.90 and 11,223.80 is: 16,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.40 : 40,206.90 = 11,223.80 : x
  2. Step 2: Convert to fraction form
    26,809.40/40,206.90 = 11,223.80/x
  3. Step 3: Cross multiply
    26,809.40x = 40,206.90 × 11,223.80
  4. Step 4: Simplify right side
    26,809.40x = 451,274,204.22
  5. Step 5: Solve for x
    x = 451,274,204.22/26,809.40
  6. Step 6: Final answer
    x = 16,832.69

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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.