Home / 27,255.96-40,845.60-21,684.51

Finding the Fourth Proportional to 27,255.96, 40,845.60 and 21,684.51

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Solution

The fourth proportional to 27,255.96, 40,845.60 and 21,684.51 is: 32,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.96 : 40,845.60 = 21,684.51 : x
  2. Step 2: Convert to fraction form
    27,255.96/40,845.60 = 21,684.51/x
  3. Step 3: Cross multiply
    27,255.96x = 40,845.60 × 21,684.51
  4. Step 4: Simplify right side
    27,255.96x = 885,716,821.66
  5. Step 5: Solve for x
    x = 885,716,821.66/27,255.96
  6. Step 6: Final answer
    x = 32,496.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.