Home / 26,659.58-39,990.06-12,626.19

Finding the Fourth Proportional to 26,659.58, 39,990.06 and 12,626.19

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Solution

The fourth proportional to 26,659.58, 39,990.06 and 12,626.19 is: 18,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.58 : 39,990.06 = 12,626.19 : x
  2. Step 2: Convert to fraction form
    26,659.58/39,990.06 = 12,626.19/x
  3. Step 3: Cross multiply
    26,659.58x = 39,990.06 × 12,626.19
  4. Step 4: Simplify right side
    26,659.58x = 504,922,095.67
  5. Step 5: Solve for x
    x = 504,922,095.67/26,659.58
  6. Step 6: Final answer
    x = 18,939.62

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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.