Home / 28,733.10-39,656.40-16,794.11

Finding the Fourth Proportional to 28,733.10, 39,656.40 and 16,794.11

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Solution

The fourth proportional to 28,733.10, 39,656.40 and 16,794.11 is: 23,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.10 : 39,656.40 = 16,794.11 : x
  2. Step 2: Convert to fraction form
    28,733.10/39,656.40 = 16,794.11/x
  3. Step 3: Cross multiply
    28,733.10x = 39,656.40 × 16,794.11
  4. Step 4: Simplify right side
    28,733.10x = 665,993,943.80
  5. Step 5: Solve for x
    x = 665,993,943.80/28,733.10
  6. Step 6: Final answer
    x = 23,178.63

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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.