Home / 27,425.80-41,154.90-20,011.60

Finding the Fourth Proportional to 27,425.80, 41,154.90 and 20,011.60

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Solution

The fourth proportional to 27,425.80, 41,154.90 and 20,011.60 is: 30,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.80 : 41,154.90 = 20,011.60 : x
  2. Step 2: Convert to fraction form
    27,425.80/41,154.90 = 20,011.60/x
  3. Step 3: Cross multiply
    27,425.80x = 41,154.90 × 20,011.60
  4. Step 4: Simplify right side
    27,425.80x = 823,575,396.84
  5. Step 5: Solve for x
    x = 823,575,396.84/27,425.80
  6. Step 6: Final answer
    x = 30,029.22

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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.