Home / 27,887.10-41,821.76-9,162.78

Finding the Fourth Proportional to 27,887.10, 41,821.76 and 9,162.78

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Solution

The fourth proportional to 27,887.10, 41,821.76 and 9,162.78 is: 13,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.10 : 41,821.76 = 9,162.78 : x
  2. Step 2: Convert to fraction form
    27,887.10/41,821.76 = 9,162.78/x
  3. Step 3: Cross multiply
    27,887.10x = 41,821.76 × 9,162.78
  4. Step 4: Simplify right side
    27,887.10x = 383,203,586.09
  5. Step 5: Solve for x
    x = 383,203,586.09/27,887.10
  6. Step 6: Final answer
    x = 13,741.25

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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.