Home / 27,285.72-40,938.54-11,494.70

Finding the Fourth Proportional to 27,285.72, 40,938.54 and 11,494.70

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Solution

The fourth proportional to 27,285.72, 40,938.54 and 11,494.70 is: 17,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.72 : 40,938.54 = 11,494.70 : x
  2. Step 2: Convert to fraction form
    27,285.72/40,938.54 = 11,494.70/x
  3. Step 3: Cross multiply
    27,285.72x = 40,938.54 × 11,494.70
  4. Step 4: Simplify right side
    27,285.72x = 470,576,235.74
  5. Step 5: Solve for x
    x = 470,576,235.74/27,285.72
  6. Step 6: Final answer
    x = 17,246.25

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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.