Home / 26,536.29-36,620.39-15,205.56

Finding the Fourth Proportional to 26,536.29, 36,620.39 and 15,205.56

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Solution

The fourth proportional to 26,536.29, 36,620.39 and 15,205.56 is: 20,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,536.29 : 36,620.39 = 15,205.56 : x
  2. Step 2: Convert to fraction form
    26,536.29/36,620.39 = 15,205.56/x
  3. Step 3: Cross multiply
    26,536.29x = 36,620.39 × 15,205.56
  4. Step 4: Simplify right side
    26,536.29x = 556,833,537.37
  5. Step 5: Solve for x
    x = 556,833,537.37/26,536.29
  6. Step 6: Final answer
    x = 20,983.85

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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.