Home / 28,381.36-39,165.34-16,896.22

Finding the Fourth Proportional to 28,381.36, 39,165.34 and 16,896.22

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Solution

The fourth proportional to 28,381.36, 39,165.34 and 16,896.22 is: 23,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.36 : 39,165.34 = 16,896.22 : x
  2. Step 2: Convert to fraction form
    28,381.36/39,165.34 = 16,896.22/x
  3. Step 3: Cross multiply
    28,381.36x = 39,165.34 × 16,896.22
  4. Step 4: Simplify right side
    28,381.36x = 661,746,201.01
  5. Step 5: Solve for x
    x = 661,746,201.01/28,381.36
  6. Step 6: Final answer
    x = 23,316.23

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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.