Home / 28,845.78-43,014.05-27,817.88

Finding the Fourth Proportional to 28,845.78, 43,014.05 and 27,817.88

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Solution

The fourth proportional to 28,845.78, 43,014.05 and 27,817.88 is: 41,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.78 : 43,014.05 = 27,817.88 : x
  2. Step 2: Convert to fraction form
    28,845.78/43,014.05 = 27,817.88/x
  3. Step 3: Cross multiply
    28,845.78x = 43,014.05 × 27,817.88
  4. Step 4: Simplify right side
    28,845.78x = 1,196,559,681.21
  5. Step 5: Solve for x
    x = 1,196,559,681.21/28,845.78
  6. Step 6: Final answer
    x = 41,481.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.