Home / 26,380.08-39,568.91-7,659.70

Finding the Fourth Proportional to 26,380.08, 39,568.91 and 7,659.70

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Solution

The fourth proportional to 26,380.08, 39,568.91 and 7,659.70 is: 11,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.08 : 39,568.91 = 7,659.70 : x
  2. Step 2: Convert to fraction form
    26,380.08/39,568.91 = 7,659.70/x
  3. Step 3: Cross multiply
    26,380.08x = 39,568.91 × 7,659.70
  4. Step 4: Simplify right side
    26,380.08x = 303,085,842.71
  5. Step 5: Solve for x
    x = 303,085,842.71/26,380.08
  6. Step 6: Final answer
    x = 11,489.19

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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.