Home / 28,266.64-42,399.96-10,736.43

Finding the Fourth Proportional to 28,266.64, 42,399.96 and 10,736.43

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Solution

The fourth proportional to 28,266.64, 42,399.96 and 10,736.43 is: 16,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.64 : 42,399.96 = 10,736.43 : x
  2. Step 2: Convert to fraction form
    28,266.64/42,399.96 = 10,736.43/x
  3. Step 3: Cross multiply
    28,266.64x = 42,399.96 × 10,736.43
  4. Step 4: Simplify right side
    28,266.64x = 455,224,202.54
  5. Step 5: Solve for x
    x = 455,224,202.54/28,266.64
  6. Step 6: Final answer
    x = 16,104.65

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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.