Home / 23,900.28-35,745.48-21,286.20

Finding the Fourth Proportional to 23,900.28, 35,745.48 and 21,286.20

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Solution

The fourth proportional to 23,900.28, 35,745.48 and 21,286.20 is: 31,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.28 : 35,745.48 = 21,286.20 : x
  2. Step 2: Convert to fraction form
    23,900.28/35,745.48 = 21,286.20/x
  3. Step 3: Cross multiply
    23,900.28x = 35,745.48 × 21,286.20
  4. Step 4: Simplify right side
    23,900.28x = 760,885,436.38
  5. Step 5: Solve for x
    x = 760,885,436.38/23,900.28
  6. Step 6: Final answer
    x = 31,835.84

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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.