Home / 28,620.84-39,497.58-16,684.68

Finding the Fourth Proportional to 28,620.84, 39,497.58 and 16,684.68

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Solution

The fourth proportional to 28,620.84, 39,497.58 and 16,684.68 is: 23,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.84 : 39,497.58 = 16,684.68 : x
  2. Step 2: Convert to fraction form
    28,620.84/39,497.58 = 16,684.68/x
  3. Step 3: Cross multiply
    28,620.84x = 39,497.58 × 16,684.68
  4. Step 4: Simplify right side
    28,620.84x = 659,004,483.07
  5. Step 5: Solve for x
    x = 659,004,483.07/28,620.84
  6. Step 6: Final answer
    x = 23,025.34

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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.