Home / 28,636.98-39,519.33-16,707.54

Finding the Fourth Proportional to 28,636.98, 39,519.33 and 16,707.54

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Solution

The fourth proportional to 28,636.98, 39,519.33 and 16,707.54 is: 23,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.98 : 39,519.33 = 16,707.54 : x
  2. Step 2: Convert to fraction form
    28,636.98/39,519.33 = 16,707.54/x
  3. Step 3: Cross multiply
    28,636.98x = 39,519.33 × 16,707.54
  4. Step 4: Simplify right side
    28,636.98x = 660,270,786.75
  5. Step 5: Solve for x
    x = 660,270,786.75/28,636.98
  6. Step 6: Final answer
    x = 23,056.58

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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.