Home / 28,903.03-43,349.07-9,181.77

Finding the Fourth Proportional to 28,903.03, 43,349.07 and 9,181.77

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Solution

The fourth proportional to 28,903.03, 43,349.07 and 9,181.77 is: 13,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.03 : 43,349.07 = 9,181.77 : x
  2. Step 2: Convert to fraction form
    28,903.03/43,349.07 = 9,181.77/x
  3. Step 3: Cross multiply
    28,903.03x = 43,349.07 × 9,181.77
  4. Step 4: Simplify right side
    28,903.03x = 398,021,190.45
  5. Step 5: Solve for x
    x = 398,021,190.45/28,903.03
  6. Step 6: Final answer
    x = 13,770.92

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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.