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Finding the Fourth Proportional to 26,548.73, 39,828.86 and 8,080.25

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Solution

The fourth proportional to 26,548.73, 39,828.86 and 8,080.25 is: 12,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.73 : 39,828.86 = 8,080.25 : x
  2. Step 2: Convert to fraction form
    26,548.73/39,828.86 = 8,080.25/x
  3. Step 3: Cross multiply
    26,548.73x = 39,828.86 × 8,080.25
  4. Step 4: Simplify right side
    26,548.73x = 321,827,146.02
  5. Step 5: Solve for x
    x = 321,827,146.02/26,548.73
  6. Step 6: Final answer
    x = 12,122.13

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1.5x scale

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.