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Finding the Fourth Proportional to 27,313.91, 40,941.70 and 19,499.03

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Solution

The fourth proportional to 27,313.91, 40,941.70 and 19,499.03 is: 29,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.91 : 40,941.70 = 19,499.03 : x
  2. Step 2: Convert to fraction form
    27,313.91/40,941.70 = 19,499.03/x
  3. Step 3: Cross multiply
    27,313.91x = 40,941.70 × 19,499.03
  4. Step 4: Simplify right side
    27,313.91x = 798,323,446.31
  5. Step 5: Solve for x
    x = 798,323,446.31/27,313.91
  6. Step 6: Final answer
    x = 29,227.73

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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.