Home / 28,268.05-42,402.75-8,546.53

Finding the Fourth Proportional to 28,268.05, 42,402.75 and 8,546.53

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Solution

The fourth proportional to 28,268.05, 42,402.75 and 8,546.53 is: 12,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.05 : 42,402.75 = 8,546.53 : x
  2. Step 2: Convert to fraction form
    28,268.05/42,402.75 = 8,546.53/x
  3. Step 3: Cross multiply
    28,268.05x = 42,402.75 × 8,546.53
  4. Step 4: Simplify right side
    28,268.05x = 362,396,374.96
  5. Step 5: Solve for x
    x = 362,396,374.96/28,268.05
  6. Step 6: Final answer
    x = 12,820.00

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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.