Home / 27,288.65-40,945.40-13,241.09

Finding the Fourth Proportional to 27,288.65, 40,945.40 and 13,241.09

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Solution

The fourth proportional to 27,288.65, 40,945.40 and 13,241.09 is: 19,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.65 : 40,945.40 = 13,241.09 : x
  2. Step 2: Convert to fraction form
    27,288.65/40,945.40 = 13,241.09/x
  3. Step 3: Cross multiply
    27,288.65x = 40,945.40 × 13,241.09
  4. Step 4: Simplify right side
    27,288.65x = 542,161,660.28
  5. Step 5: Solve for x
    x = 542,161,660.28/27,288.65
  6. Step 6: Final answer
    x = 19,867.66

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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.