Home / 27,408.78-37,826.60-15,475.05

Finding the Fourth Proportional to 27,408.78, 37,826.60 and 15,475.05

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Solution

The fourth proportional to 27,408.78, 37,826.60 and 15,475.05 is: 21,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.78 : 37,826.60 = 15,475.05 : x
  2. Step 2: Convert to fraction form
    27,408.78/37,826.60 = 15,475.05/x
  3. Step 3: Cross multiply
    27,408.78x = 37,826.60 × 15,475.05
  4. Step 4: Simplify right side
    27,408.78x = 585,368,448.95
  5. Step 5: Solve for x
    x = 585,368,448.95/27,408.78
  6. Step 6: Final answer
    x = 21,356.97

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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.