Home / 26,379.12-36,406.11-15,051.41

Finding the Fourth Proportional to 26,379.12, 36,406.11 and 15,051.41

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Solution

The fourth proportional to 26,379.12, 36,406.11 and 15,051.41 is: 20,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.12 : 36,406.11 = 15,051.41 : x
  2. Step 2: Convert to fraction form
    26,379.12/36,406.11 = 15,051.41/x
  3. Step 3: Cross multiply
    26,379.12x = 36,406.11 × 15,051.41
  4. Step 4: Simplify right side
    26,379.12x = 547,963,316.78
  5. Step 5: Solve for x
    x = 547,963,316.78/26,379.12
  6. Step 6: Final answer
    x = 20,772.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.