Home / 26,193.20-39,299.88-12,160.40

Finding the Fourth Proportional to 26,193.20, 39,299.88 and 12,160.40

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Solution

The fourth proportional to 26,193.20, 39,299.88 and 12,160.40 is: 18,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.20 : 39,299.88 = 12,160.40 : x
  2. Step 2: Convert to fraction form
    26,193.20/39,299.88 = 12,160.40/x
  3. Step 3: Cross multiply
    26,193.20x = 39,299.88 × 12,160.40
  4. Step 4: Simplify right side
    26,193.20x = 477,902,260.75
  5. Step 5: Solve for x
    x = 477,902,260.75/26,193.20
  6. Step 6: Final answer
    x = 18,245.28

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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.