Home / 21,286.24-31,832.44-15,952.85

Finding the Fourth Proportional to 21,286.24, 31,832.44 and 15,952.85

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Solution

The fourth proportional to 21,286.24, 31,832.44 and 15,952.85 is: 23,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286.24 : 31,832.44 = 15,952.85 : x
  2. Step 2: Convert to fraction form
    21,286.24/31,832.44 = 15,952.85/x
  3. Step 3: Cross multiply
    21,286.24x = 31,832.44 × 15,952.85
  4. Step 4: Simplify right side
    21,286.24x = 507,818,150.52
  5. Step 5: Solve for x
    x = 507,818,150.52/21,286.24
  6. Step 6: Final answer
    x = 23,856.64

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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.