Home / 28,334.92-39,099.80-16,399.04

Finding the Fourth Proportional to 28,334.92, 39,099.80 and 16,399.04

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Solution

The fourth proportional to 28,334.92, 39,099.80 and 16,399.04 is: 22,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.92 : 39,099.80 = 16,399.04 : x
  2. Step 2: Convert to fraction form
    28,334.92/39,099.80 = 16,399.04/x
  3. Step 3: Cross multiply
    28,334.92x = 39,099.80 × 16,399.04
  4. Step 4: Simplify right side
    28,334.92x = 641,199,184.19
  5. Step 5: Solve for x
    x = 641,199,184.19/28,334.92
  6. Step 6: Final answer
    x = 22,629.29

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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.