Home / 28,844.68-39,783.26-18,230.44

Finding the Fourth Proportional to 28,844.68, 39,783.26 and 18,230.44

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Solution

The fourth proportional to 28,844.68, 39,783.26 and 18,230.44 is: 25,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.68 : 39,783.26 = 18,230.44 : x
  2. Step 2: Convert to fraction form
    28,844.68/39,783.26 = 18,230.44/x
  3. Step 3: Cross multiply
    28,844.68x = 39,783.26 × 18,230.44
  4. Step 4: Simplify right side
    28,844.68x = 725,266,334.43
  5. Step 5: Solve for x
    x = 725,266,334.43/28,844.68
  6. Step 6: Final answer
    x = 25,143.85

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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.