Home / 26,610.61-39,878.83-13,447.62

Finding the Fourth Proportional to 26,610.61, 39,878.83 and 13,447.62

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Solution

The fourth proportional to 26,610.61, 39,878.83 and 13,447.62 is: 20,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.61 : 39,878.83 = 13,447.62 : x
  2. Step 2: Convert to fraction form
    26,610.61/39,878.83 = 13,447.62/x
  3. Step 3: Cross multiply
    26,610.61x = 39,878.83 × 13,447.62
  4. Step 4: Simplify right side
    26,610.61x = 536,275,351.88
  5. Step 5: Solve for x
    x = 536,275,351.88/26,610.61
  6. Step 6: Final answer
    x = 20,152.69

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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.