Home / 27,108.81-37,408.50-15,170.22

Finding the Fourth Proportional to 27,108.81, 37,408.50 and 15,170.22

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Solution

The fourth proportional to 27,108.81, 37,408.50 and 15,170.22 is: 20,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.81 : 37,408.50 = 15,170.22 : x
  2. Step 2: Convert to fraction form
    27,108.81/37,408.50 = 15,170.22/x
  3. Step 3: Cross multiply
    27,108.81x = 37,408.50 × 15,170.22
  4. Step 4: Simplify right side
    27,108.81x = 567,495,174.87
  5. Step 5: Solve for x
    x = 567,495,174.87/27,108.81
  6. Step 6: Final answer
    x = 20,933.98

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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.