Home / 27,890.09-41,835.21-19,607.16

Finding the Fourth Proportional to 27,890.09, 41,835.21 and 19,607.16

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Solution

The fourth proportional to 27,890.09, 41,835.21 and 19,607.16 is: 29,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.09 : 41,835.21 = 19,607.16 : x
  2. Step 2: Convert to fraction form
    27,890.09/41,835.21 = 19,607.16/x
  3. Step 3: Cross multiply
    27,890.09x = 41,835.21 × 19,607.16
  4. Step 4: Simplify right side
    27,890.09x = 820,269,656.10
  5. Step 5: Solve for x
    x = 820,269,656.10/27,890.09
  6. Step 6: Final answer
    x = 29,410.80

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1.5x scale

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.