Home / 28,576.83-39,673.58-27,721.47

Finding the Fourth Proportional to 28,576.83, 39,673.58 and 27,721.47

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Solution

The fourth proportional to 28,576.83, 39,673.58 and 27,721.47 is: 38,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.83 : 39,673.58 = 27,721.47 : x
  2. Step 2: Convert to fraction form
    28,576.83/39,673.58 = 27,721.47/x
  3. Step 3: Cross multiply
    28,576.83x = 39,673.58 × 27,721.47
  4. Step 4: Simplify right side
    28,576.83x = 1,099,809,819.16
  5. Step 5: Solve for x
    x = 1,099,809,819.16/28,576.83
  6. Step 6: Final answer
    x = 38,486.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.