Home / 26,907.60-40,342.20-12,104.40

Finding the Fourth Proportional to 26,907.60, 40,342.20 and 12,104.40

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Solution

The fourth proportional to 26,907.60, 40,342.20 and 12,104.40 is: 18,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.60 : 40,342.20 = 12,104.40 : x
  2. Step 2: Convert to fraction form
    26,907.60/40,342.20 = 12,104.40/x
  3. Step 3: Cross multiply
    26,907.60x = 40,342.20 × 12,104.40
  4. Step 4: Simplify right side
    26,907.60x = 488,318,125.68
  5. Step 5: Solve for x
    x = 488,318,125.68/26,907.60
  6. Step 6: Final answer
    x = 18,147.96

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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.