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Finding the Fourth Proportional to 57,280.64, 85,893.69 and 23,541.39

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Solution

The fourth proportional to 57,280.64, 85,893.69 and 23,541.39 is: 35,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.64 : 85,893.69 = 23,541.39 : x
  2. Step 2: Convert to fraction form
    57,280.64/85,893.69 = 23,541.39/x
  3. Step 3: Cross multiply
    57,280.64x = 85,893.69 × 23,541.39
  4. Step 4: Simplify right side
    57,280.64x = 2,022,056,854.83
  5. Step 5: Solve for x
    x = 2,022,056,854.83/57,280.64
  6. Step 6: Final answer
    x = 35,300.88

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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.