Home / 28,576.48-42,930.60-27,395.52

Finding the Fourth Proportional to 28,576.48, 42,930.60 and 27,395.52

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Solution

The fourth proportional to 28,576.48, 42,930.60 and 27,395.52 is: 41,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.48 : 42,930.60 = 27,395.52 : x
  2. Step 2: Convert to fraction form
    28,576.48/42,930.60 = 27,395.52/x
  3. Step 3: Cross multiply
    28,576.48x = 42,930.60 × 27,395.52
  4. Step 4: Simplify right side
    28,576.48x = 1,176,106,110.91
  5. Step 5: Solve for x
    x = 1,176,106,110.91/28,576.48
  6. Step 6: Final answer
    x = 41,156.44

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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.