Home / 27,204.78-40,768.23-15,493.80

Finding the Fourth Proportional to 27,204.78, 40,768.23 and 15,493.80

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Solution

The fourth proportional to 27,204.78, 40,768.23 and 15,493.80 is: 23,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,204.78 : 40,768.23 = 15,493.80 : x
  2. Step 2: Convert to fraction form
    27,204.78/40,768.23 = 15,493.80/x
  3. Step 3: Cross multiply
    27,204.78x = 40,768.23 × 15,493.80
  4. Step 4: Simplify right side
    27,204.78x = 631,654,801.97
  5. Step 5: Solve for x
    x = 631,654,801.97/27,204.78
  6. Step 6: Final answer
    x = 23,218.52

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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.