Home / 28,664.28-39,556.85-16,563.79

Finding the Fourth Proportional to 28,664.28, 39,556.85 and 16,563.79

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Solution

The fourth proportional to 28,664.28, 39,556.85 and 16,563.79 is: 22,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.28 : 39,556.85 = 16,563.79 : x
  2. Step 2: Convert to fraction form
    28,664.28/39,556.85 = 16,563.79/x
  3. Step 3: Cross multiply
    28,664.28x = 39,556.85 × 16,563.79
  4. Step 4: Simplify right side
    28,664.28x = 655,211,356.46
  5. Step 5: Solve for x
    x = 655,211,356.46/28,664.28
  6. Step 6: Final answer
    x = 22,858.11

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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.