Home / 27,431.12-41,146.52-6,654.48

Finding the Fourth Proportional to 27,431.12, 41,146.52 and 6,654.48

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Solution

The fourth proportional to 27,431.12, 41,146.52 and 6,654.48 is: 9,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.12 : 41,146.52 = 6,654.48 : x
  2. Step 2: Convert to fraction form
    27,431.12/41,146.52 = 6,654.48/x
  3. Step 3: Cross multiply
    27,431.12x = 41,146.52 × 6,654.48
  4. Step 4: Simplify right side
    27,431.12x = 273,808,694.41
  5. Step 5: Solve for x
    x = 273,808,694.41/27,431.12
  6. Step 6: Final answer
    x = 9,981.68

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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.