Home / 27,108.96-37,401.84-15,170.40

Finding the Fourth Proportional to 27,108.96, 37,401.84 and 15,170.40

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Solution

The fourth proportional to 27,108.96, 37,401.84 and 15,170.40 is: 20,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.96 : 37,401.84 = 15,170.40 : x
  2. Step 2: Convert to fraction form
    27,108.96/37,401.84 = 15,170.40/x
  3. Step 3: Cross multiply
    27,108.96x = 37,401.84 × 15,170.40
  4. Step 4: Simplify right side
    27,108.96x = 567,400,873.54
  5. Step 5: Solve for x
    x = 567,400,873.54/27,108.96
  6. Step 6: Final answer
    x = 20,930.38

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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.