Home / 26,001.41-39,016.89-12,855.11

Finding the Fourth Proportional to 26,001.41, 39,016.89 and 12,855.11

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Solution

The fourth proportional to 26,001.41, 39,016.89 and 12,855.11 is: 19,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.41 : 39,016.89 = 12,855.11 : x
  2. Step 2: Convert to fraction form
    26,001.41/39,016.89 = 12,855.11/x
  3. Step 3: Cross multiply
    26,001.41x = 39,016.89 × 12,855.11
  4. Step 4: Simplify right side
    26,001.41x = 501,566,217.72
  5. Step 5: Solve for x
    x = 501,566,217.72/26,001.41
  6. Step 6: Final answer
    x = 19,289.97

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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.