Home / 19,238.52-28,890.72-11,886.60

Finding the Fourth Proportional to 19,238.52, 28,890.72 and 11,886.60

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Solution

The fourth proportional to 19,238.52, 28,890.72 and 11,886.60 is: 17,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.52 : 28,890.72 = 11,886.60 : x
  2. Step 2: Convert to fraction form
    19,238.52/28,890.72 = 11,886.60/x
  3. Step 3: Cross multiply
    19,238.52x = 28,890.72 × 11,886.60
  4. Step 4: Simplify right side
    19,238.52x = 343,412,432.35
  5. Step 5: Solve for x
    x = 343,412,432.35/19,238.52
  6. Step 6: Final answer
    x = 17,850.25

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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.