Home / 26,840.24-37,074.39-20,427.88

Finding the Fourth Proportional to 26,840.24, 37,074.39 and 20,427.88

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Solution

The fourth proportional to 26,840.24, 37,074.39 and 20,427.88 is: 28,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.24 : 37,074.39 = 20,427.88 : x
  2. Step 2: Convert to fraction form
    26,840.24/37,074.39 = 20,427.88/x
  3. Step 3: Cross multiply
    26,840.24x = 37,074.39 × 20,427.88
  4. Step 4: Simplify right side
    26,840.24x = 757,351,189.99
  5. Step 5: Solve for x
    x = 757,351,189.99/26,840.24
  6. Step 6: Final answer
    x = 28,217.01

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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.