Home / 26,823.80-40,230.90-16,945.40

Finding the Fourth Proportional to 26,823.80, 40,230.90 and 16,945.40

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Solution

The fourth proportional to 26,823.80, 40,230.90 and 16,945.40 is: 25,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,823.80 : 40,230.90 = 16,945.40 : x
  2. Step 2: Convert to fraction form
    26,823.80/40,230.90 = 16,945.40/x
  3. Step 3: Cross multiply
    26,823.80x = 40,230.90 × 16,945.40
  4. Step 4: Simplify right side
    26,823.80x = 681,728,692.86
  5. Step 5: Solve for x
    x = 681,728,692.86/26,823.80
  6. Step 6: Final answer
    x = 25,415.07

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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.