Home / 19,232.21-28,900.26-18,149.64

Finding the Fourth Proportional to 19,232.21, 28,900.26 and 18,149.64

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Solution

The fourth proportional to 19,232.21, 28,900.26 and 18,149.64 is: 27,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.21 : 28,900.26 = 18,149.64 : x
  2. Step 2: Convert to fraction form
    19,232.21/28,900.26 = 18,149.64/x
  3. Step 3: Cross multiply
    19,232.21x = 28,900.26 × 18,149.64
  4. Step 4: Simplify right side
    19,232.21x = 524,529,314.91
  5. Step 5: Solve for x
    x = 524,529,314.91/19,232.21
  6. Step 6: Final answer
    x = 27,273.49

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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.