Home / 27,939.72-41,900.60-9,215.54

Finding the Fourth Proportional to 27,939.72, 41,900.60 and 9,215.54

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Solution

The fourth proportional to 27,939.72, 41,900.60 and 9,215.54 is: 13,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.72 : 41,900.60 = 9,215.54 : x
  2. Step 2: Convert to fraction form
    27,939.72/41,900.60 = 9,215.54/x
  3. Step 3: Cross multiply
    27,939.72x = 41,900.60 × 9,215.54
  4. Step 4: Simplify right side
    27,939.72x = 386,136,655.32
  5. Step 5: Solve for x
    x = 386,136,655.32/27,939.72
  6. Step 6: Final answer
    x = 13,820.35

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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.