Home / 27,903.40-41,790.30-19,090.60

Finding the Fourth Proportional to 27,903.40, 41,790.30 and 19,090.60

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Solution

The fourth proportional to 27,903.40, 41,790.30 and 19,090.60 is: 28,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.40 : 41,790.30 = 19,090.60 : x
  2. Step 2: Convert to fraction form
    27,903.40/41,790.30 = 19,090.60/x
  3. Step 3: Cross multiply
    27,903.40x = 41,790.30 × 19,090.60
  4. Step 4: Simplify right side
    27,903.40x = 797,801,901.18
  5. Step 5: Solve for x
    x = 797,801,901.18/27,903.40
  6. Step 6: Final answer
    x = 28,591.57

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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.