Home / 28,268.20-42,400.94-10,736.66

Finding the Fourth Proportional to 28,268.20, 42,400.94 and 10,736.66

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Solution

The fourth proportional to 28,268.20, 42,400.94 and 10,736.66 is: 16,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.20 : 42,400.94 = 10,736.66 : x
  2. Step 2: Convert to fraction form
    28,268.20/42,400.94 = 10,736.66/x
  3. Step 3: Cross multiply
    28,268.20x = 42,400.94 × 10,736.66
  4. Step 4: Simplify right side
    28,268.20x = 455,244,476.46
  5. Step 5: Solve for x
    x = 455,244,476.46/28,268.20
  6. Step 6: Final answer
    x = 16,104.47

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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.