Home / 28,736.28-39,655.65-16,161.03

Finding the Fourth Proportional to 28,736.28, 39,655.65 and 16,161.03

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Solution

The fourth proportional to 28,736.28, 39,655.65 and 16,161.03 is: 22,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.28 : 39,655.65 = 16,161.03 : x
  2. Step 2: Convert to fraction form
    28,736.28/39,655.65 = 16,161.03/x
  3. Step 3: Cross multiply
    28,736.28x = 39,655.65 × 16,161.03
  4. Step 4: Simplify right side
    28,736.28x = 640,876,149.32
  5. Step 5: Solve for x
    x = 640,876,149.32/28,736.28
  6. Step 6: Final answer
    x = 22,301.99

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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.