Home / 28,914.84-39,901.77-16,168.14

Finding the Fourth Proportional to 28,914.84, 39,901.77 and 16,168.14

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Solution

The fourth proportional to 28,914.84, 39,901.77 and 16,168.14 is: 22,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.84 : 39,901.77 = 16,168.14 : x
  2. Step 2: Convert to fraction form
    28,914.84/39,901.77 = 16,168.14/x
  3. Step 3: Cross multiply
    28,914.84x = 39,901.77 × 16,168.14
  4. Step 4: Simplify right side
    28,914.84x = 645,137,403.61
  5. Step 5: Solve for x
    x = 645,137,403.61/28,914.84
  6. Step 6: Final answer
    x = 22,311.64

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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.