Home / 27,035.14-40,542.36-12,991.18

Finding the Fourth Proportional to 27,035.14, 40,542.36 and 12,991.18

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Solution

The fourth proportional to 27,035.14, 40,542.36 and 12,991.18 is: 19,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,035.14 : 40,542.36 = 12,991.18 : x
  2. Step 2: Convert to fraction form
    27,035.14/40,542.36 = 12,991.18/x
  3. Step 3: Cross multiply
    27,035.14x = 40,542.36 × 12,991.18
  4. Step 4: Simplify right side
    27,035.14x = 526,693,096.38
  5. Step 5: Solve for x
    x = 526,693,096.38/27,035.14
  6. Step 6: Final answer
    x = 19,481.80

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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.