Home / 27,740.85-41,615.34-10,209.21

Finding the Fourth Proportional to 27,740.85, 41,615.34 and 10,209.21

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Solution

The fourth proportional to 27,740.85, 41,615.34 and 10,209.21 is: 15,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.85 : 41,615.34 = 10,209.21 : x
  2. Step 2: Convert to fraction form
    27,740.85/41,615.34 = 10,209.21/x
  3. Step 3: Cross multiply
    27,740.85x = 41,615.34 × 10,209.21
  4. Step 4: Simplify right side
    27,740.85x = 424,859,745.28
  5. Step 5: Solve for x
    x = 424,859,745.28/27,740.85
  6. Step 6: Final answer
    x = 15,315.31

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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.