Home / 28,774.16-43,163.72-8,788.14

Finding the Fourth Proportional to 28,774.16, 43,163.72 and 8,788.14

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Solution

The fourth proportional to 28,774.16, 43,163.72 and 8,788.14 is: 13,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.16 : 43,163.72 = 8,788.14 : x
  2. Step 2: Convert to fraction form
    28,774.16/43,163.72 = 8,788.14/x
  3. Step 3: Cross multiply
    28,774.16x = 43,163.72 × 8,788.14
  4. Step 4: Simplify right side
    28,774.16x = 379,328,770.34
  5. Step 5: Solve for x
    x = 379,328,770.34/28,774.16
  6. Step 6: Final answer
    x = 13,182.97

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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.