Home / 27,327.24-37,673.10-20,620.44

Finding the Fourth Proportional to 27,327.24, 37,673.10 and 20,620.44

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Solution

The fourth proportional to 27,327.24, 37,673.10 and 20,620.44 is: 28,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.24 : 37,673.10 = 20,620.44 : x
  2. Step 2: Convert to fraction form
    27,327.24/37,673.10 = 20,620.44/x
  3. Step 3: Cross multiply
    27,327.24x = 37,673.10 × 20,620.44
  4. Step 4: Simplify right side
    27,327.24x = 776,835,898.16
  5. Step 5: Solve for x
    x = 776,835,898.16/27,327.24
  6. Step 6: Final answer
    x = 28,427.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.