Home / 27,638.94-41,423.73-11,825.40

Finding the Fourth Proportional to 27,638.94, 41,423.73 and 11,825.40

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Solution

The fourth proportional to 27,638.94, 41,423.73 and 11,825.40 is: 17,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.94 : 41,423.73 = 11,825.40 : x
  2. Step 2: Convert to fraction form
    27,638.94/41,423.73 = 11,825.40/x
  3. Step 3: Cross multiply
    27,638.94x = 41,423.73 × 11,825.40
  4. Step 4: Simplify right side
    27,638.94x = 489,852,176.74
  5. Step 5: Solve for x
    x = 489,852,176.74/27,638.94
  6. Step 6: Final answer
    x = 17,723.26

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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.