Home / 28,328.69-39,096.81-16,230.33

Finding the Fourth Proportional to 28,328.69, 39,096.81 and 16,230.33

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Solution

The fourth proportional to 28,328.69, 39,096.81 and 16,230.33 is: 22,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.69 : 39,096.81 = 16,230.33 : x
  2. Step 2: Convert to fraction form
    28,328.69/39,096.81 = 16,230.33/x
  3. Step 3: Cross multiply
    28,328.69x = 39,096.81 × 16,230.33
  4. Step 4: Simplify right side
    28,328.69x = 634,554,128.25
  5. Step 5: Solve for x
    x = 634,554,128.25/28,328.69
  6. Step 6: Final answer
    x = 22,399.70

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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.