Home / 26,228.20-39,342.30-16,378.60

Finding the Fourth Proportional to 26,228.20, 39,342.30 and 16,378.60

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Solution

The fourth proportional to 26,228.20, 39,342.30 and 16,378.60 is: 24,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.20 : 39,342.30 = 16,378.60 : x
  2. Step 2: Convert to fraction form
    26,228.20/39,342.30 = 16,378.60/x
  3. Step 3: Cross multiply
    26,228.20x = 39,342.30 × 16,378.60
  4. Step 4: Simplify right side
    26,228.20x = 644,371,794.78
  5. Step 5: Solve for x
    x = 644,371,794.78/26,228.20
  6. Step 6: Final answer
    x = 24,567.90

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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.