Home / 27,431.56-41,140.14-9,898.12

Finding the Fourth Proportional to 27,431.56, 41,140.14 and 9,898.12

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Solution

The fourth proportional to 27,431.56, 41,140.14 and 9,898.12 is: 14,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.56 : 41,140.14 = 9,898.12 : x
  2. Step 2: Convert to fraction form
    27,431.56/41,140.14 = 9,898.12/x
  3. Step 3: Cross multiply
    27,431.56x = 41,140.14 × 9,898.12
  4. Step 4: Simplify right side
    27,431.56x = 407,210,042.54
  5. Step 5: Solve for x
    x = 407,210,042.54/27,431.56
  6. Step 6: Final answer
    x = 14,844.58

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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.