Home / 19,039.95-28,537.85-11,255.31

Finding the Fourth Proportional to 19,039.95, 28,537.85 and 11,255.31

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Solution

The fourth proportional to 19,039.95, 28,537.85 and 11,255.31 is: 16,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.95 : 28,537.85 = 11,255.31 : x
  2. Step 2: Convert to fraction form
    19,039.95/28,537.85 = 11,255.31/x
  3. Step 3: Cross multiply
    19,039.95x = 28,537.85 × 11,255.31
  4. Step 4: Simplify right side
    19,039.95x = 321,202,292.21
  5. Step 5: Solve for x
    x = 321,202,292.21/19,039.95
  6. Step 6: Final answer
    x = 16,869.91

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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.