Home / 27,845.29-38,455.66-25,446.43

Finding the Fourth Proportional to 27,845.29, 38,455.66 and 25,446.43

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Solution

The fourth proportional to 27,845.29, 38,455.66 and 25,446.43 is: 35,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.29 : 38,455.66 = 25,446.43 : x
  2. Step 2: Convert to fraction form
    27,845.29/38,455.66 = 25,446.43/x
  3. Step 3: Cross multiply
    27,845.29x = 38,455.66 × 25,446.43
  4. Step 4: Simplify right side
    27,845.29x = 978,559,232.01
  5. Step 5: Solve for x
    x = 978,559,232.01/27,845.29
  6. Step 6: Final answer
    x = 35,142.71

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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.