Home / 26,213.68-39,276.72-11,400.40

Finding the Fourth Proportional to 26,213.68, 39,276.72 and 11,400.40

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Solution

The fourth proportional to 26,213.68, 39,276.72 and 11,400.40 is: 17,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.68 : 39,276.72 = 11,400.40 : x
  2. Step 2: Convert to fraction form
    26,213.68/39,276.72 = 11,400.40/x
  3. Step 3: Cross multiply
    26,213.68x = 39,276.72 × 11,400.40
  4. Step 4: Simplify right side
    26,213.68x = 447,770,318.69
  5. Step 5: Solve for x
    x = 447,770,318.69/26,213.68
  6. Step 6: Final answer
    x = 17,081.55

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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.