Home / 26,668.56-40,009.32-7,947.84

Finding the Fourth Proportional to 26,668.56, 40,009.32 and 7,947.84

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Solution

The fourth proportional to 26,668.56, 40,009.32 and 7,947.84 is: 11,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.56 : 40,009.32 = 7,947.84 : x
  2. Step 2: Convert to fraction form
    26,668.56/40,009.32 = 7,947.84/x
  3. Step 3: Cross multiply
    26,668.56x = 40,009.32 × 7,947.84
  4. Step 4: Simplify right side
    26,668.56x = 317,987,673.87
  5. Step 5: Solve for x
    x = 317,987,673.87/26,668.56
  6. Step 6: Final answer
    x = 11,923.69

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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.