Home / 27,986.02-38,619.48-15,239.23

Finding the Fourth Proportional to 27,986.02, 38,619.48 and 15,239.23

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Solution

The fourth proportional to 27,986.02, 38,619.48 and 15,239.23 is: 21,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.02 : 38,619.48 = 15,239.23 : x
  2. Step 2: Convert to fraction form
    27,986.02/38,619.48 = 15,239.23/x
  3. Step 3: Cross multiply
    27,986.02x = 38,619.48 × 15,239.23
  4. Step 4: Simplify right side
    27,986.02x = 588,531,138.20
  5. Step 5: Solve for x
    x = 588,531,138.20/27,986.02
  6. Step 6: Final answer
    x = 21,029.47

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Similar ratio
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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.