Home / 28,783.82-43,205.16-23,770.22

Finding the Fourth Proportional to 28,783.82, 43,205.16 and 23,770.22

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Solution

The fourth proportional to 28,783.82, 43,205.16 and 23,770.22 is: 35,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.82 : 43,205.16 = 23,770.22 : x
  2. Step 2: Convert to fraction form
    28,783.82/43,205.16 = 23,770.22/x
  3. Step 3: Cross multiply
    28,783.82x = 43,205.16 × 23,770.22
  4. Step 4: Simplify right side
    28,783.82x = 1,026,996,158.34
  5. Step 5: Solve for x
    x = 1,026,996,158.34/28,783.82
  6. Step 6: Final answer
    x = 35,679.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.