Home / 28,104.63-38,771.13-16,767.64

Finding the Fourth Proportional to 28,104.63, 38,771.13 and 16,767.64

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Solution

The fourth proportional to 28,104.63, 38,771.13 and 16,767.64 is: 23,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.63 : 38,771.13 = 16,767.64 : x
  2. Step 2: Convert to fraction form
    28,104.63/38,771.13 = 16,767.64/x
  3. Step 3: Cross multiply
    28,104.63x = 38,771.13 × 16,767.64
  4. Step 4: Simplify right side
    28,104.63x = 650,100,350.23
  5. Step 5: Solve for x
    x = 650,100,350.23/28,104.63
  6. Step 6: Final answer
    x = 23,131.43

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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.