Home / 28,808.08-43,212.06-11,265.60

Finding the Fourth Proportional to 28,808.08, 43,212.06 and 11,265.60

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Solution

The fourth proportional to 28,808.08, 43,212.06 and 11,265.60 is: 16,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.08 : 43,212.06 = 11,265.60 : x
  2. Step 2: Convert to fraction form
    28,808.08/43,212.06 = 11,265.60/x
  3. Step 3: Cross multiply
    28,808.08x = 43,212.06 × 11,265.60
  4. Step 4: Simplify right side
    28,808.08x = 486,809,783.14
  5. Step 5: Solve for x
    x = 486,809,783.14/28,808.08
  6. Step 6: Final answer
    x = 16,898.38

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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.