Home / 28,480.50-39,302.69-16,550.55

Finding the Fourth Proportional to 28,480.50, 39,302.69 and 16,550.55

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Solution

The fourth proportional to 28,480.50, 39,302.69 and 16,550.55 is: 22,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.50 : 39,302.69 = 16,550.55 : x
  2. Step 2: Convert to fraction form
    28,480.50/39,302.69 = 16,550.55/x
  3. Step 3: Cross multiply
    28,480.50x = 39,302.69 × 16,550.55
  4. Step 4: Simplify right side
    28,480.50x = 650,481,053.23
  5. Step 5: Solve for x
    x = 650,481,053.23/28,480.50
  6. Step 6: Final answer
    x = 22,839.52

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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.