Home / 28,808.50-39,755.74-16,233.70

Finding the Fourth Proportional to 28,808.50, 39,755.74 and 16,233.70

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Solution

The fourth proportional to 28,808.50, 39,755.74 and 16,233.70 is: 22,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.50 : 39,755.74 = 16,233.70 : x
  2. Step 2: Convert to fraction form
    28,808.50/39,755.74 = 16,233.70/x
  3. Step 3: Cross multiply
    28,808.50x = 39,755.74 × 16,233.70
  4. Step 4: Simplify right side
    28,808.50x = 645,382,756.44
  5. Step 5: Solve for x
    x = 645,382,756.44/28,808.50
  6. Step 6: Final answer
    x = 22,402.51

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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.