Home / 28,861.08-43,297.50-11,091

Finding the Fourth Proportional to 28,861.08, 43,297.50 and 11,091

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Solution

The fourth proportional to 28,861.08, 43,297.50 and 11,091 is: 16,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.08 : 43,297.50 = 11,091 : x
  2. Step 2: Convert to fraction form
    28,861.08/43,297.50 = 11,091/x
  3. Step 3: Cross multiply
    28,861.08x = 43,297.50 × 11,091
  4. Step 4: Simplify right side
    28,861.08x = 480,212,572.50
  5. Step 5: Solve for x
    x = 480,212,572.50/28,861.08
  6. Step 6: Final answer
    x = 16,638.76

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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.