Home / 26,228.13-39,351.90-12,195.69

Finding the Fourth Proportional to 26,228.13, 39,351.90 and 12,195.69

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Solution

The fourth proportional to 26,228.13, 39,351.90 and 12,195.69 is: 18,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.13 : 39,351.90 = 12,195.69 : x
  2. Step 2: Convert to fraction form
    26,228.13/39,351.90 = 12,195.69/x
  3. Step 3: Cross multiply
    26,228.13x = 39,351.90 × 12,195.69
  4. Step 4: Simplify right side
    26,228.13x = 479,923,573.31
  5. Step 5: Solve for x
    x = 479,923,573.31/26,228.13
  6. Step 6: Final answer
    x = 18,298.05

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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.