Home / 26,369.83-36,390.09-15,039.03

Finding the Fourth Proportional to 26,369.83, 36,390.09 and 15,039.03

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Solution

The fourth proportional to 26,369.83, 36,390.09 and 15,039.03 is: 20,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.83 : 36,390.09 = 15,039.03 : x
  2. Step 2: Convert to fraction form
    26,369.83/36,390.09 = 15,039.03/x
  3. Step 3: Cross multiply
    26,369.83x = 36,390.09 × 15,039.03
  4. Step 4: Simplify right side
    26,369.83x = 547,271,848.07
  5. Step 5: Solve for x
    x = 547,271,848.07/26,369.83
  6. Step 6: Final answer
    x = 20,753.71

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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.