Home / 36,427.56-50,274.82-20,515.12

Finding the Fourth Proportional to 36,427.56, 50,274.82 and 20,515.12

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Solution

The fourth proportional to 36,427.56, 50,274.82 and 20,515.12 is: 28,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.56 : 50,274.82 = 20,515.12 : x
  2. Step 2: Convert to fraction form
    36,427.56/50,274.82 = 20,515.12/x
  3. Step 3: Cross multiply
    36,427.56x = 50,274.82 × 20,515.12
  4. Step 4: Simplify right side
    36,427.56x = 1,031,393,965.28
  5. Step 5: Solve for x
    x = 1,031,393,965.28/36,427.56
  6. Step 6: Final answer
    x = 28,313.56

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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.