Home / 28,883.20-43,240.56-25,881.88

Finding the Fourth Proportional to 28,883.20, 43,240.56 and 25,881.88

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Solution

The fourth proportional to 28,883.20, 43,240.56 and 25,881.88 is: 38,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.20 : 43,240.56 = 25,881.88 : x
  2. Step 2: Convert to fraction form
    28,883.20/43,240.56 = 25,881.88/x
  3. Step 3: Cross multiply
    28,883.20x = 43,240.56 × 25,881.88
  4. Step 4: Simplify right side
    28,883.20x = 1,119,146,985.05
  5. Step 5: Solve for x
    x = 1,119,146,985.05/28,883.20
  6. Step 6: Final answer
    x = 38,747.33

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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.