Home / 28,728.98-43,093.42-9,009.02

Finding the Fourth Proportional to 28,728.98, 43,093.42 and 9,009.02

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Solution

The fourth proportional to 28,728.98, 43,093.42 and 9,009.02 is: 13,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.98 : 43,093.42 = 9,009.02 : x
  2. Step 2: Convert to fraction form
    28,728.98/43,093.42 = 9,009.02/x
  3. Step 3: Cross multiply
    28,728.98x = 43,093.42 × 9,009.02
  4. Step 4: Simplify right side
    28,728.98x = 388,229,567.86
  5. Step 5: Solve for x
    x = 388,229,567.86/28,728.98
  6. Step 6: Final answer
    x = 13,513.52

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Similar ratio
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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.