Home / 28,889.82-39,863.94-16,141.39

Finding the Fourth Proportional to 28,889.82, 39,863.94 and 16,141.39

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Solution

The fourth proportional to 28,889.82, 39,863.94 and 16,141.39 is: 22,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.82 : 39,863.94 = 16,141.39 : x
  2. Step 2: Convert to fraction form
    28,889.82/39,863.94 = 16,141.39/x
  3. Step 3: Cross multiply
    28,889.82x = 39,863.94 × 16,141.39
  4. Step 4: Simplify right side
    28,889.82x = 643,459,402.48
  5. Step 5: Solve for x
    x = 643,459,402.48/28,889.82
  6. Step 6: Final answer
    x = 22,272.88

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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.