Home / 26,285.30-36,286.72-16,219.28

Finding the Fourth Proportional to 26,285.30, 36,286.72 and 16,219.28

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Solution

The fourth proportional to 26,285.30, 36,286.72 and 16,219.28 is: 22,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.30 : 36,286.72 = 16,219.28 : x
  2. Step 2: Convert to fraction form
    26,285.30/36,286.72 = 16,219.28/x
  3. Step 3: Cross multiply
    26,285.30x = 36,286.72 × 16,219.28
  4. Step 4: Simplify right side
    26,285.30x = 588,544,471.96
  5. Step 5: Solve for x
    x = 588,544,471.96/26,285.30
  6. Step 6: Final answer
    x = 22,390.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.