Home / 28,905.53-39,841.88-19,341.97

Finding the Fourth Proportional to 28,905.53, 39,841.88 and 19,341.97

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Solution

The fourth proportional to 28,905.53, 39,841.88 and 19,341.97 is: 26,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.53 : 39,841.88 = 19,341.97 : x
  2. Step 2: Convert to fraction form
    28,905.53/39,841.88 = 19,341.97/x
  3. Step 3: Cross multiply
    28,905.53x = 39,841.88 × 19,341.97
  4. Step 4: Simplify right side
    28,905.53x = 770,620,251.39
  5. Step 5: Solve for x
    x = 770,620,251.39/28,905.53
  6. Step 6: Final answer
    x = 26,659.96

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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.