Home / 26,763.09-36,933.20-15,121.36

Finding the Fourth Proportional to 26,763.09, 36,933.20 and 15,121.36

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Solution

The fourth proportional to 26,763.09, 36,933.20 and 15,121.36 is: 20,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763.09 : 36,933.20 = 15,121.36 : x
  2. Step 2: Convert to fraction form
    26,763.09/36,933.20 = 15,121.36/x
  3. Step 3: Cross multiply
    26,763.09x = 36,933.20 × 15,121.36
  4. Step 4: Simplify right side
    26,763.09x = 558,480,213.15
  5. Step 5: Solve for x
    x = 558,480,213.15/26,763.09
  6. Step 6: Final answer
    x = 20,867.55

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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.