Home / 26,163.63-39,212.55-12,992.40

Finding the Fourth Proportional to 26,163.63, 39,212.55 and 12,992.40

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Solution

The fourth proportional to 26,163.63, 39,212.55 and 12,992.40 is: 19,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.63 : 39,212.55 = 12,992.40 : x
  2. Step 2: Convert to fraction form
    26,163.63/39,212.55 = 12,992.40/x
  3. Step 3: Cross multiply
    26,163.63x = 39,212.55 × 12,992.40
  4. Step 4: Simplify right side
    26,163.63x = 509,465,134.62
  5. Step 5: Solve for x
    x = 509,465,134.62/26,163.63
  6. Step 6: Final answer
    x = 19,472.26

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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.