Home / 26,230.20-39,345.30-12,406.20

Finding the Fourth Proportional to 26,230.20, 39,345.30 and 12,406.20

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Solution

The fourth proportional to 26,230.20, 39,345.30 and 12,406.20 is: 18,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.20 : 39,345.30 = 12,406.20 : x
  2. Step 2: Convert to fraction form
    26,230.20/39,345.30 = 12,406.20/x
  3. Step 3: Cross multiply
    26,230.20x = 39,345.30 × 12,406.20
  4. Step 4: Simplify right side
    26,230.20x = 488,125,660.86
  5. Step 5: Solve for x
    x = 488,125,660.86/26,230.20
  6. Step 6: Final answer
    x = 18,609.30

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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.