Home / 27,941.58-38,558.80-15,195.01

Finding the Fourth Proportional to 27,941.58, 38,558.80 and 15,195.01

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Solution

The fourth proportional to 27,941.58, 38,558.80 and 15,195.01 is: 20,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.58 : 38,558.80 = 15,195.01 : x
  2. Step 2: Convert to fraction form
    27,941.58/38,558.80 = 15,195.01/x
  3. Step 3: Cross multiply
    27,941.58x = 38,558.80 × 15,195.01
  4. Step 4: Simplify right side
    27,941.58x = 585,901,351.59
  5. Step 5: Solve for x
    x = 585,901,351.59/27,941.58
  6. Step 6: Final answer
    x = 20,968.80

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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.