Home / 21,601.93-32,353.21-18,028.21

Finding the Fourth Proportional to 21,601.93, 32,353.21 and 18,028.21

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Solution

The fourth proportional to 21,601.93, 32,353.21 and 18,028.21 is: 27,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.93 : 32,353.21 = 18,028.21 : x
  2. Step 2: Convert to fraction form
    21,601.93/32,353.21 = 18,028.21/x
  3. Step 3: Cross multiply
    21,601.93x = 32,353.21 × 18,028.21
  4. Step 4: Simplify right side
    21,601.93x = 583,270,464.05
  5. Step 5: Solve for x
    x = 583,270,464.05/21,601.93
  6. Step 6: Final answer
    x = 27,000.85

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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.