Home / 28,979.98-39,993.88-16,232.42

Finding the Fourth Proportional to 28,979.98, 39,993.88 and 16,232.42

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Solution

The fourth proportional to 28,979.98, 39,993.88 and 16,232.42 is: 22,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.98 : 39,993.88 = 16,232.42 : x
  2. Step 2: Convert to fraction form
    28,979.98/39,993.88 = 16,232.42/x
  3. Step 3: Cross multiply
    28,979.98x = 39,993.88 × 16,232.42
  4. Step 4: Simplify right side
    28,979.98x = 649,197,367.02
  5. Step 5: Solve for x
    x = 649,197,367.02/28,979.98
  6. Step 6: Final answer
    x = 22,401.58

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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.