Home / 28,819.34-39,770.61-16,072.53

Finding the Fourth Proportional to 28,819.34, 39,770.61 and 16,072.53

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Solution

The fourth proportional to 28,819.34, 39,770.61 and 16,072.53 is: 22,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.34 : 39,770.61 = 16,072.53 : x
  2. Step 2: Convert to fraction form
    28,819.34/39,770.61 = 16,072.53/x
  3. Step 3: Cross multiply
    28,819.34x = 39,770.61 × 16,072.53
  4. Step 4: Simplify right side
    28,819.34x = 639,214,411.21
  5. Step 5: Solve for x
    x = 639,214,411.21/28,819.34
  6. Step 6: Final answer
    x = 22,180.05

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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.