Home / 19,289.80-28,927.50-8,197.33

Finding the Fourth Proportional to 19,289.80, 28,927.50 and 8,197.33

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Solution

The fourth proportional to 19,289.80, 28,927.50 and 8,197.33 is: 12,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.80 : 28,927.50 = 8,197.33 : x
  2. Step 2: Convert to fraction form
    19,289.80/28,927.50 = 8,197.33/x
  3. Step 3: Cross multiply
    19,289.80x = 28,927.50 × 8,197.33
  4. Step 4: Simplify right side
    19,289.80x = 237,128,263.58
  5. Step 5: Solve for x
    x = 237,128,263.58/19,289.80
  6. Step 6: Final answer
    x = 12,292.94

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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.