Home / 20,033.37-27,643.64-11,079.65

Finding the Fourth Proportional to 20,033.37, 27,643.64 and 11,079.65

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Solution

The fourth proportional to 20,033.37, 27,643.64 and 11,079.65 is: 15,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.37 : 27,643.64 = 11,079.65 : x
  2. Step 2: Convert to fraction form
    20,033.37/27,643.64 = 11,079.65/x
  3. Step 3: Cross multiply
    20,033.37x = 27,643.64 × 11,079.65
  4. Step 4: Simplify right side
    20,033.37x = 306,281,855.93
  5. Step 5: Solve for x
    x = 306,281,855.93/20,033.37
  6. Step 6: Final answer
    x = 15,288.58

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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.