Home / 27,945.03-41,861.31-12,931.01

Finding the Fourth Proportional to 27,945.03, 41,861.31 and 12,931.01

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Solution

The fourth proportional to 27,945.03, 41,861.31 and 12,931.01 is: 19,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.03 : 41,861.31 = 12,931.01 : x
  2. Step 2: Convert to fraction form
    27,945.03/41,861.31 = 12,931.01/x
  3. Step 3: Cross multiply
    27,945.03x = 41,861.31 × 12,931.01
  4. Step 4: Simplify right side
    27,945.03x = 541,309,018.22
  5. Step 5: Solve for x
    x = 541,309,018.22/27,945.03
  6. Step 6: Final answer
    x = 19,370.49

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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.