Home / 28,493.94-39,320.48-16,556.33

Finding the Fourth Proportional to 28,493.94, 39,320.48 and 16,556.33

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Solution

The fourth proportional to 28,493.94, 39,320.48 and 16,556.33 is: 22,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.94 : 39,320.48 = 16,556.33 : x
  2. Step 2: Convert to fraction form
    28,493.94/39,320.48 = 16,556.33/x
  3. Step 3: Cross multiply
    28,493.94x = 39,320.48 × 16,556.33
  4. Step 4: Simplify right side
    28,493.94x = 651,002,801.25
  5. Step 5: Solve for x
    x = 651,002,801.25/28,493.94
  6. Step 6: Final answer
    x = 22,847.07

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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.