Home / 28,268.43-42,410.82-8,549.88

Finding the Fourth Proportional to 28,268.43, 42,410.82 and 8,549.88

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Solution

The fourth proportional to 28,268.43, 42,410.82 and 8,549.88 is: 12,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.43 : 42,410.82 = 8,549.88 : x
  2. Step 2: Convert to fraction form
    28,268.43/42,410.82 = 8,549.88/x
  3. Step 3: Cross multiply
    28,268.43x = 42,410.82 × 8,549.88
  4. Step 4: Simplify right side
    28,268.43x = 362,607,421.70
  5. Step 5: Solve for x
    x = 362,607,421.70/28,268.43
  6. Step 6: Final answer
    x = 12,827.29

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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.