Home / 27,749.22-38,290.97-16,419.19

Finding the Fourth Proportional to 27,749.22, 38,290.97 and 16,419.19

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Solution

The fourth proportional to 27,749.22, 38,290.97 and 16,419.19 is: 22,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.22 : 38,290.97 = 16,419.19 : x
  2. Step 2: Convert to fraction form
    27,749.22/38,290.97 = 16,419.19/x
  3. Step 3: Cross multiply
    27,749.22x = 38,290.97 × 16,419.19
  4. Step 4: Simplify right side
    27,749.22x = 628,706,878.83
  5. Step 5: Solve for x
    x = 628,706,878.83/27,749.22
  6. Step 6: Final answer
    x = 22,656.74

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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.