Home / 28,808.07-43,212.05-11,265.60

Finding the Fourth Proportional to 28,808.07, 43,212.05 and 11,265.60

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Solution

The fourth proportional to 28,808.07, 43,212.05 and 11,265.60 is: 16,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.07 : 43,212.05 = 11,265.60 : x
  2. Step 2: Convert to fraction form
    28,808.07/43,212.05 = 11,265.60/x
  3. Step 3: Cross multiply
    28,808.07x = 43,212.05 × 11,265.60
  4. Step 4: Simplify right side
    28,808.07x = 486,809,670.48
  5. Step 5: Solve for x
    x = 486,809,670.48/28,808.07
  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.