Home / 27,010.72-40,513.20-7,291.30

Finding the Fourth Proportional to 27,010.72, 40,513.20 and 7,291.30

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Solution

The fourth proportional to 27,010.72, 40,513.20 and 7,291.30 is: 10,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.72 : 40,513.20 = 7,291.30 : x
  2. Step 2: Convert to fraction form
    27,010.72/40,513.20 = 7,291.30/x
  3. Step 3: Cross multiply
    27,010.72x = 40,513.20 × 7,291.30
  4. Step 4: Simplify right side
    27,010.72x = 295,393,895.16
  5. Step 5: Solve for x
    x = 295,393,895.16/27,010.72
  6. Step 6: Final answer
    x = 10,936.17

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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.