Home / 26,755.24-40,132.88-15,738.72

Finding the Fourth Proportional to 26,755.24, 40,132.88 and 15,738.72

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Solution

The fourth proportional to 26,755.24, 40,132.88 and 15,738.72 is: 23,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.24 : 40,132.88 = 15,738.72 : x
  2. Step 2: Convert to fraction form
    26,755.24/40,132.88 = 15,738.72/x
  3. Step 3: Cross multiply
    26,755.24x = 40,132.88 × 15,738.72
  4. Step 4: Simplify right side
    26,755.24x = 631,640,161.11
  5. Step 5: Solve for x
    x = 631,640,161.11/26,755.24
  6. Step 6: Final answer
    x = 23,608.09

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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.