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Finding the Fourth Proportional to 28,728.01, 43,092.02 and 9,008.09

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Solution

The fourth proportional to 28,728.01, 43,092.02 and 9,008.09 is: 13,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.01 : 43,092.02 = 9,008.09 : x
  2. Step 2: Convert to fraction form
    28,728.01/43,092.02 = 9,008.09/x
  3. Step 3: Cross multiply
    28,728.01x = 43,092.02 × 9,008.09
  4. Step 4: Simplify right side
    28,728.01x = 388,176,533.94
  5. Step 5: Solve for x
    x = 388,176,533.94/28,728.01
  6. Step 6: Final answer
    x = 13,512.13

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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.