Home / 27,103.09-40,631.27-10,474.79

Finding the Fourth Proportional to 27,103.09, 40,631.27 and 10,474.79

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Solution

The fourth proportional to 27,103.09, 40,631.27 and 10,474.79 is: 15,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.09 : 40,631.27 = 10,474.79 : x
  2. Step 2: Convert to fraction form
    27,103.09/40,631.27 = 10,474.79/x
  3. Step 3: Cross multiply
    27,103.09x = 40,631.27 × 10,474.79
  4. Step 4: Simplify right side
    27,103.09x = 425,604,020.68
  5. Step 5: Solve for x
    x = 425,604,020.68/27,103.09
  6. Step 6: Final answer
    x = 15,703.15

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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.