Home / 28,418.37-39,209.44-16,479.33

Finding the Fourth Proportional to 28,418.37, 39,209.44 and 16,479.33

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Solution

The fourth proportional to 28,418.37, 39,209.44 and 16,479.33 is: 22,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418.37 : 39,209.44 = 16,479.33 : x
  2. Step 2: Convert to fraction form
    28,418.37/39,209.44 = 16,479.33/x
  3. Step 3: Cross multiply
    28,418.37x = 39,209.44 × 16,479.33
  4. Step 4: Simplify right side
    28,418.37x = 646,145,300.88
  5. Step 5: Solve for x
    x = 646,145,300.88/28,418.37
  6. Step 6: Final answer
    x = 22,736.89

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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.