Home / 28,086.28-38,755.33-16,757.08

Finding the Fourth Proportional to 28,086.28, 38,755.33 and 16,757.08

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Solution

The fourth proportional to 28,086.28, 38,755.33 and 16,757.08 is: 23,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.28 : 38,755.33 = 16,757.08 : x
  2. Step 2: Convert to fraction form
    28,086.28/38,755.33 = 16,757.08/x
  3. Step 3: Cross multiply
    28,086.28x = 38,755.33 × 16,757.08
  4. Step 4: Simplify right side
    28,086.28x = 649,426,165.24
  5. Step 5: Solve for x
    x = 649,426,165.24/28,086.28
  6. Step 6: Final answer
    x = 23,122.54

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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.