Home / 28,227.30-38,958.75-16,288.98

Finding the Fourth Proportional to 28,227.30, 38,958.75 and 16,288.98

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Solution

The fourth proportional to 28,227.30, 38,958.75 and 16,288.98 is: 22,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.30 : 38,958.75 = 16,288.98 : x
  2. Step 2: Convert to fraction form
    28,227.30/38,958.75 = 16,288.98/x
  3. Step 3: Cross multiply
    28,227.30x = 38,958.75 × 16,288.98
  4. Step 4: Simplify right side
    28,227.30x = 634,598,299.58
  5. Step 5: Solve for x
    x = 634,598,299.58/28,227.30
  6. Step 6: Final answer
    x = 22,481.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.