Home / 27,986.24-38,628.60-16,055.84

Finding the Fourth Proportional to 27,986.24, 38,628.60 and 16,055.84

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Solution

The fourth proportional to 27,986.24, 38,628.60 and 16,055.84 is: 22,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.24 : 38,628.60 = 16,055.84 : x
  2. Step 2: Convert to fraction form
    27,986.24/38,628.60 = 16,055.84/x
  3. Step 3: Cross multiply
    27,986.24x = 38,628.60 × 16,055.84
  4. Step 4: Simplify right side
    27,986.24x = 620,214,621.02
  5. Step 5: Solve for x
    x = 620,214,621.02/27,986.24
  6. Step 6: Final answer
    x = 22,161.41

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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.