Home / 27,108.85-37,408.75-15,169.88

Finding the Fourth Proportional to 27,108.85, 37,408.75 and 15,169.88

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Solution

The fourth proportional to 27,108.85, 37,408.75 and 15,169.88 is: 20,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.85 : 37,408.75 = 15,169.88 : x
  2. Step 2: Convert to fraction form
    27,108.85/37,408.75 = 15,169.88/x
  3. Step 3: Cross multiply
    27,108.85x = 37,408.75 × 15,169.88
  4. Step 4: Simplify right side
    27,108.85x = 567,486,325.38
  5. Step 5: Solve for x
    x = 567,486,325.38/27,108.85
  6. Step 6: Final answer
    x = 20,933.62

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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.