Home / 26,390.21-39,530.23-15,826.73

Finding the Fourth Proportional to 26,390.21, 39,530.23 and 15,826.73

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Solution

The fourth proportional to 26,390.21, 39,530.23 and 15,826.73 is: 23,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.21 : 39,530.23 = 15,826.73 : x
  2. Step 2: Convert to fraction form
    26,390.21/39,530.23 = 15,826.73/x
  3. Step 3: Cross multiply
    26,390.21x = 39,530.23 × 15,826.73
  4. Step 4: Simplify right side
    26,390.21x = 625,634,039.83
  5. Step 5: Solve for x
    x = 625,634,039.83/26,390.21
  6. Step 6: Final answer
    x = 23,707.05

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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.