Home / 26,169.76-39,195.24-12,992.68

Finding the Fourth Proportional to 26,169.76, 39,195.24 and 12,992.68

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Solution

The fourth proportional to 26,169.76, 39,195.24 and 12,992.68 is: 19,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.76 : 39,195.24 = 12,992.68 : x
  2. Step 2: Convert to fraction form
    26,169.76/39,195.24 = 12,992.68/x
  3. Step 3: Cross multiply
    26,169.76x = 39,195.24 × 12,992.68
  4. Step 4: Simplify right side
    26,169.76x = 509,251,210.84
  5. Step 5: Solve for x
    x = 509,251,210.84/26,169.76
  6. Step 6: Final answer
    x = 19,459.53

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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.