Home / 26,234.20-39,351.30-13,749.40

Finding the Fourth Proportional to 26,234.20, 39,351.30 and 13,749.40

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Solution

The fourth proportional to 26,234.20, 39,351.30 and 13,749.40 is: 20,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,234.20 : 39,351.30 = 13,749.40 : x
  2. Step 2: Convert to fraction form
    26,234.20/39,351.30 = 13,749.40/x
  3. Step 3: Cross multiply
    26,234.20x = 39,351.30 × 13,749.40
  4. Step 4: Simplify right side
    26,234.20x = 541,056,764.22
  5. Step 5: Solve for x
    x = 541,056,764.22/26,234.20
  6. Step 6: Final answer
    x = 20,624.10

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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.