Home / 28,227.94-38,954.50-16,291.28

Finding the Fourth Proportional to 28,227.94, 38,954.50 and 16,291.28

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Solution

The fourth proportional to 28,227.94, 38,954.50 and 16,291.28 is: 22,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.94 : 38,954.50 = 16,291.28 : x
  2. Step 2: Convert to fraction form
    28,227.94/38,954.50 = 16,291.28/x
  3. Step 3: Cross multiply
    28,227.94x = 38,954.50 × 16,291.28
  4. Step 4: Simplify right side
    28,227.94x = 634,618,390.53
  5. Step 5: Solve for x
    x = 634,618,390.53/28,227.94
  6. Step 6: Final answer
    x = 22,481.93

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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.