Home / 28,865.86-43,316.34-11,335.84

Finding the Fourth Proportional to 28,865.86, 43,316.34 and 11,335.84

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Solution

The fourth proportional to 28,865.86, 43,316.34 and 11,335.84 is: 17,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.86 : 43,316.34 = 11,335.84 : x
  2. Step 2: Convert to fraction form
    28,865.86/43,316.34 = 11,335.84/x
  3. Step 3: Cross multiply
    28,865.86x = 43,316.34 × 11,335.84
  4. Step 4: Simplify right side
    28,865.86x = 491,027,099.63
  5. Step 5: Solve for x
    x = 491,027,099.63/28,865.86
  6. Step 6: Final answer
    x = 17,010.65

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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.