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Finding the Fourth Proportional to 85,280.67, 127,927.14 and 26,108.64

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Solution

The fourth proportional to 85,280.67, 127,927.14 and 26,108.64 is: 39,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.67 : 127,927.14 = 26,108.64 : x
  2. Step 2: Convert to fraction form
    85,280.67/127,927.14 = 26,108.64/x
  3. Step 3: Cross multiply
    85,280.67x = 127,927.14 × 26,108.64
  4. Step 4: Simplify right side
    85,280.67x = 3,340,003,644.49
  5. Step 5: Solve for x
    x = 3,340,003,644.49/85,280.67
  6. Step 6: Final answer
    x = 39,164.84

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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.