Home / 28,728.54-43,092.81-9,008.63

Finding the Fourth Proportional to 28,728.54, 43,092.81 and 9,008.63

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Solution

The fourth proportional to 28,728.54, 43,092.81 and 9,008.63 is: 13,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.54 : 43,092.81 = 9,008.63 : x
  2. Step 2: Convert to fraction form
    28,728.54/43,092.81 = 9,008.63/x
  3. Step 3: Cross multiply
    28,728.54x = 43,092.81 × 9,008.63
  4. Step 4: Simplify right side
    28,728.54x = 388,207,369.48
  5. Step 5: Solve for x
    x = 388,207,369.48/28,728.54
  6. Step 6: Final answer
    x = 13,512.95

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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.