Home / 26,672.50-40,019.51-11,871.30

Finding the Fourth Proportional to 26,672.50, 40,019.51 and 11,871.30

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Solution

The fourth proportional to 26,672.50, 40,019.51 and 11,871.30 is: 17,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.50 : 40,019.51 = 11,871.30 : x
  2. Step 2: Convert to fraction form
    26,672.50/40,019.51 = 11,871.30/x
  3. Step 3: Cross multiply
    26,672.50x = 40,019.51 × 11,871.30
  4. Step 4: Simplify right side
    26,672.50x = 475,083,609.06
  5. Step 5: Solve for x
    x = 475,083,609.06/26,672.50
  6. Step 6: Final answer
    x = 17,811.74

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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.