Home / 27,588.50-41,389.23-9,120.50

Finding the Fourth Proportional to 27,588.50, 41,389.23 and 9,120.50

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Solution

The fourth proportional to 27,588.50, 41,389.23 and 9,120.50 is: 13,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.50 : 41,389.23 = 9,120.50 : x
  2. Step 2: Convert to fraction form
    27,588.50/41,389.23 = 9,120.50/x
  3. Step 3: Cross multiply
    27,588.50x = 41,389.23 × 9,120.50
  4. Step 4: Simplify right side
    27,588.50x = 377,490,472.22
  5. Step 5: Solve for x
    x = 377,490,472.22/27,588.50
  6. Step 6: Final answer
    x = 13,682.89

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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.