Home / 27,755.78-38,301.57-17,146.34

Finding the Fourth Proportional to 27,755.78, 38,301.57 and 17,146.34

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Solution

The fourth proportional to 27,755.78, 38,301.57 and 17,146.34 is: 23,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.78 : 38,301.57 = 17,146.34 : x
  2. Step 2: Convert to fraction form
    27,755.78/38,301.57 = 17,146.34/x
  3. Step 3: Cross multiply
    27,755.78x = 38,301.57 × 17,146.34
  4. Step 4: Simplify right side
    27,755.78x = 656,731,741.75
  5. Step 5: Solve for x
    x = 656,731,741.75/27,755.78
  6. Step 6: Final answer
    x = 23,661.08

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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.