Home / 26,805.84-40,205.52-16,936.80

Finding the Fourth Proportional to 26,805.84, 40,205.52 and 16,936.80

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Solution

The fourth proportional to 26,805.84, 40,205.52 and 16,936.80 is: 25,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.84 : 40,205.52 = 16,936.80 : x
  2. Step 2: Convert to fraction form
    26,805.84/40,205.52 = 16,936.80/x
  3. Step 3: Cross multiply
    26,805.84x = 40,205.52 × 16,936.80
  4. Step 4: Simplify right side
    26,805.84x = 680,952,851.14
  5. Step 5: Solve for x
    x = 680,952,851.14/26,805.84
  6. Step 6: Final answer
    x = 25,403.15

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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.