Home / 28,893.96-39,880.26-16,322.76

Finding the Fourth Proportional to 28,893.96, 39,880.26 and 16,322.76

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Solution

The fourth proportional to 28,893.96, 39,880.26 and 16,322.76 is: 22,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.96 : 39,880.26 = 16,322.76 : x
  2. Step 2: Convert to fraction form
    28,893.96/39,880.26 = 16,322.76/x
  3. Step 3: Cross multiply
    28,893.96x = 39,880.26 × 16,322.76
  4. Step 4: Simplify right side
    28,893.96x = 650,955,912.72
  5. Step 5: Solve for x
    x = 650,955,912.72/28,893.96
  6. Step 6: Final answer
    x = 22,529.13

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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.