Home / 27,617.10-41,384.69-20,285.26

Finding the Fourth Proportional to 27,617.10, 41,384.69 and 20,285.26

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Solution

The fourth proportional to 27,617.10, 41,384.69 and 20,285.26 is: 30,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.10 : 41,384.69 = 20,285.26 : x
  2. Step 2: Convert to fraction form
    27,617.10/41,384.69 = 20,285.26/x
  3. Step 3: Cross multiply
    27,617.10x = 41,384.69 × 20,285.26
  4. Step 4: Simplify right side
    27,617.10x = 839,499,196.67
  5. Step 5: Solve for x
    x = 839,499,196.67/27,617.10
  6. Step 6: Final answer
    x = 30,397.80

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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.