Home / 28,383.36-39,168.11-16,898.22

Finding the Fourth Proportional to 28,383.36, 39,168.11 and 16,898.22

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Solution

The fourth proportional to 28,383.36, 39,168.11 and 16,898.22 is: 23,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.36 : 39,168.11 = 16,898.22 : x
  2. Step 2: Convert to fraction form
    28,383.36/39,168.11 = 16,898.22/x
  3. Step 3: Cross multiply
    28,383.36x = 39,168.11 × 16,898.22
  4. Step 4: Simplify right side
    28,383.36x = 661,871,255.27
  5. Step 5: Solve for x
    x = 661,871,255.27/28,383.36
  6. Step 6: Final answer
    x = 23,318.99

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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.