Home / 28,540.94-42,818.55-10,771.56

Finding the Fourth Proportional to 28,540.94, 42,818.55 and 10,771.56

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Solution

The fourth proportional to 28,540.94, 42,818.55 and 10,771.56 is: 16,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.94 : 42,818.55 = 10,771.56 : x
  2. Step 2: Convert to fraction form
    28,540.94/42,818.55 = 10,771.56/x
  3. Step 3: Cross multiply
    28,540.94x = 42,818.55 × 10,771.56
  4. Step 4: Simplify right side
    28,540.94x = 461,222,580.44
  5. Step 5: Solve for x
    x = 461,222,580.44/28,540.94
  6. Step 6: Final answer
    x = 16,160.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.