Home / 27,984.22-38,619.08-15,238.24

Finding the Fourth Proportional to 27,984.22, 38,619.08 and 15,238.24

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Solution

The fourth proportional to 27,984.22, 38,619.08 and 15,238.24 is: 21,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.22 : 38,619.08 = 15,238.24 : x
  2. Step 2: Convert to fraction form
    27,984.22/38,619.08 = 15,238.24/x
  3. Step 3: Cross multiply
    27,984.22x = 38,619.08 × 15,238.24
  4. Step 4: Simplify right side
    27,984.22x = 588,486,809.62
  5. Step 5: Solve for x
    x = 588,486,809.62/27,984.22
  6. Step 6: Final answer
    x = 21,029.24

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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.