Home / 27,788.91-38,348.33-15,852.44

Finding the Fourth Proportional to 27,788.91, 38,348.33 and 15,852.44

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Solution

The fourth proportional to 27,788.91, 38,348.33 and 15,852.44 is: 21,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.91 : 38,348.33 = 15,852.44 : x
  2. Step 2: Convert to fraction form
    27,788.91/38,348.33 = 15,852.44/x
  3. Step 3: Cross multiply
    27,788.91x = 38,348.33 × 15,852.44
  4. Step 4: Simplify right side
    27,788.91x = 607,914,600.43
  5. Step 5: Solve for x
    x = 607,914,600.43/27,788.91
  6. Step 6: Final answer
    x = 21,876.16

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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.