Home / 27,968.73-38,615.43-21,584.00

Finding the Fourth Proportional to 27,968.73, 38,615.43 and 21,584.00

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Solution

The fourth proportional to 27,968.73, 38,615.43 and 21,584.00 is: 29,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.73 : 38,615.43 = 21,584.00 : x
  2. Step 2: Convert to fraction form
    27,968.73/38,615.43 = 21,584.00/x
  3. Step 3: Cross multiply
    27,968.73x = 38,615.43 × 21,584.00
  4. Step 4: Simplify right side
    27,968.73x = 833,475,618.60
  5. Step 5: Solve for x
    x = 833,475,618.60/27,968.73
  6. Step 6: Final answer
    x = 29,800.27

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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.