Home / 26,736.33-36,856.84-20,351.80

Finding the Fourth Proportional to 26,736.33, 36,856.84 and 20,351.80

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Solution

The fourth proportional to 26,736.33, 36,856.84 and 20,351.80 is: 28,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.33 : 36,856.84 = 20,351.80 : x
  2. Step 2: Convert to fraction form
    26,736.33/36,856.84 = 20,351.80/x
  3. Step 3: Cross multiply
    26,736.33x = 36,856.84 × 20,351.80
  4. Step 4: Simplify right side
    26,736.33x = 750,102,893.29
  5. Step 5: Solve for x
    x = 750,102,893.29/26,736.33
  6. Step 6: Final answer
    x = 28,055.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.