Home / 26,821.80-40,232.70-16,842.60

Finding the Fourth Proportional to 26,821.80, 40,232.70 and 16,842.60

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Solution

The fourth proportional to 26,821.80, 40,232.70 and 16,842.60 is: 25,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.80 : 40,232.70 = 16,842.60 : x
  2. Step 2: Convert to fraction form
    26,821.80/40,232.70 = 16,842.60/x
  3. Step 3: Cross multiply
    26,821.80x = 40,232.70 × 16,842.60
  4. Step 4: Simplify right side
    26,821.80x = 677,623,273.02
  5. Step 5: Solve for x
    x = 677,623,273.02/26,821.80
  6. Step 6: Final answer
    x = 25,263.90

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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.