Home / 28,021.38-38,669.67-16,084.41

Finding the Fourth Proportional to 28,021.38, 38,669.67 and 16,084.41

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Solution

The fourth proportional to 28,021.38, 38,669.67 and 16,084.41 is: 22,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.38 : 38,669.67 = 16,084.41 : x
  2. Step 2: Convert to fraction form
    28,021.38/38,669.67 = 16,084.41/x
  3. Step 3: Cross multiply
    28,021.38x = 38,669.67 × 16,084.41
  4. Step 4: Simplify right side
    28,021.38x = 621,978,826.84
  5. Step 5: Solve for x
    x = 621,978,826.84/28,021.38
  6. Step 6: Final answer
    x = 22,196.58

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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.