Home / 28,817.25-43,209.27-11,277.51

Finding the Fourth Proportional to 28,817.25, 43,209.27 and 11,277.51

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Solution

The fourth proportional to 28,817.25, 43,209.27 and 11,277.51 is: 16,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.25 : 43,209.27 = 11,277.51 : x
  2. Step 2: Convert to fraction form
    28,817.25/43,209.27 = 11,277.51/x
  3. Step 3: Cross multiply
    28,817.25x = 43,209.27 × 11,277.51
  4. Step 4: Simplify right side
    28,817.25x = 487,292,974.52
  5. Step 5: Solve for x
    x = 487,292,974.52/28,817.25
  6. Step 6: Final answer
    x = 16,909.77

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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.