Home / 26,846.40-40,269.60-8,378.40

Finding the Fourth Proportional to 26,846.40, 40,269.60 and 8,378.40

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Solution

The fourth proportional to 26,846.40, 40,269.60 and 8,378.40 is: 12,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,846.40 : 40,269.60 = 8,378.40 : x
  2. Step 2: Convert to fraction form
    26,846.40/40,269.60 = 8,378.40/x
  3. Step 3: Cross multiply
    26,846.40x = 40,269.60 × 8,378.40
  4. Step 4: Simplify right side
    26,846.40x = 337,394,816.64
  5. Step 5: Solve for x
    x = 337,394,816.64/26,846.40
  6. Step 6: Final answer
    x = 12,567.60

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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.