Home / 27,642.43-38,135.25-19,263.79

Finding the Fourth Proportional to 27,642.43, 38,135.25 and 19,263.79

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Solution

The fourth proportional to 27,642.43, 38,135.25 and 19,263.79 is: 26,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.43 : 38,135.25 = 19,263.79 : x
  2. Step 2: Convert to fraction form
    27,642.43/38,135.25 = 19,263.79/x
  3. Step 3: Cross multiply
    27,642.43x = 38,135.25 × 19,263.79
  4. Step 4: Simplify right side
    27,642.43x = 734,629,447.60
  5. Step 5: Solve for x
    x = 734,629,447.60/27,642.43
  6. Step 6: Final answer
    x = 26,576.15

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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.