Home / 28,784.08-43,186.43-10,069.25

Finding the Fourth Proportional to 28,784.08, 43,186.43 and 10,069.25

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Solution

The fourth proportional to 28,784.08, 43,186.43 and 10,069.25 is: 15,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.08 : 43,186.43 = 10,069.25 : x
  2. Step 2: Convert to fraction form
    28,784.08/43,186.43 = 10,069.25/x
  3. Step 3: Cross multiply
    28,784.08x = 43,186.43 × 10,069.25
  4. Step 4: Simplify right side
    28,784.08x = 434,854,909.93
  5. Step 5: Solve for x
    x = 434,854,909.93/28,784.08
  6. Step 6: Final answer
    x = 15,107.48

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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.