Home / 28,328.83-39,091.87-16,229.35

Finding the Fourth Proportional to 28,328.83, 39,091.87 and 16,229.35

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Solution

The fourth proportional to 28,328.83, 39,091.87 and 16,229.35 is: 22,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.83 : 39,091.87 = 16,229.35 : x
  2. Step 2: Convert to fraction form
    28,328.83/39,091.87 = 16,229.35/x
  3. Step 3: Cross multiply
    28,328.83x = 39,091.87 × 16,229.35
  4. Step 4: Simplify right side
    28,328.83x = 634,435,640.38
  5. Step 5: Solve for x
    x = 634,435,640.38/28,328.83
  6. Step 6: Final answer
    x = 22,395.41

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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.