Home / 26,755.68-36,921.24-15,708.36

Finding the Fourth Proportional to 26,755.68, 36,921.24 and 15,708.36

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Solution

The fourth proportional to 26,755.68, 36,921.24 and 15,708.36 is: 21,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.68 : 36,921.24 = 15,708.36 : x
  2. Step 2: Convert to fraction form
    26,755.68/36,921.24 = 15,708.36/x
  3. Step 3: Cross multiply
    26,755.68x = 36,921.24 × 15,708.36
  4. Step 4: Simplify right side
    26,755.68x = 579,972,129.57
  5. Step 5: Solve for x
    x = 579,972,129.57/26,755.68
  6. Step 6: Final answer
    x = 21,676.60

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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.