Home / 27,883.22-38,477.98-15,135.80

Finding the Fourth Proportional to 27,883.22, 38,477.98 and 15,135.80

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Solution

The fourth proportional to 27,883.22, 38,477.98 and 15,135.80 is: 20,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.22 : 38,477.98 = 15,135.80 : x
  2. Step 2: Convert to fraction form
    27,883.22/38,477.98 = 15,135.80/x
  3. Step 3: Cross multiply
    27,883.22x = 38,477.98 × 15,135.80
  4. Step 4: Simplify right side
    27,883.22x = 582,395,009.68
  5. Step 5: Solve for x
    x = 582,395,009.68/27,883.22
  6. Step 6: Final answer
    x = 20,886.94

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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.