Home / 27,021.78-37,277.14-16,945.18

Finding the Fourth Proportional to 27,021.78, 37,277.14 and 16,945.18

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Solution

The fourth proportional to 27,021.78, 37,277.14 and 16,945.18 is: 23,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.78 : 37,277.14 = 16,945.18 : x
  2. Step 2: Convert to fraction form
    27,021.78/37,277.14 = 16,945.18/x
  3. Step 3: Cross multiply
    27,021.78x = 37,277.14 × 16,945.18
  4. Step 4: Simplify right side
    27,021.78x = 631,667,847.19
  5. Step 5: Solve for x
    x = 631,667,847.19/27,021.78
  6. Step 6: Final answer
    x = 23,376.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.