Home / 28,612.44-39,485.88-17,282.16

Finding the Fourth Proportional to 28,612.44, 39,485.88 and 17,282.16

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Solution

The fourth proportional to 28,612.44, 39,485.88 and 17,282.16 is: 23,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.44 : 39,485.88 = 17,282.16 : x
  2. Step 2: Convert to fraction form
    28,612.44/39,485.88 = 17,282.16/x
  3. Step 3: Cross multiply
    28,612.44x = 39,485.88 × 17,282.16
  4. Step 4: Simplify right side
    28,612.44x = 682,401,295.90
  5. Step 5: Solve for x
    x = 682,401,295.90/28,612.44
  6. Step 6: Final answer
    x = 23,849.81

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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.