Home / 27,431.24-41,131.47-8,707.79

Finding the Fourth Proportional to 27,431.24, 41,131.47 and 8,707.79

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Solution

The fourth proportional to 27,431.24, 41,131.47 and 8,707.79 is: 13,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.24 : 41,131.47 = 8,707.79 : x
  2. Step 2: Convert to fraction form
    27,431.24/41,131.47 = 8,707.79/x
  3. Step 3: Cross multiply
    27,431.24x = 41,131.47 × 8,707.79
  4. Step 4: Simplify right side
    27,431.24x = 358,164,305.98
  5. Step 5: Solve for x
    x = 358,164,305.98/27,431.24
  6. Step 6: Final answer
    x = 13,056.80

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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.