Home / 27,427.05-41,107.50-12,615.66

Finding the Fourth Proportional to 27,427.05, 41,107.50 and 12,615.66

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Solution

The fourth proportional to 27,427.05, 41,107.50 and 12,615.66 is: 18,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.05 : 41,107.50 = 12,615.66 : x
  2. Step 2: Convert to fraction form
    27,427.05/41,107.50 = 12,615.66/x
  3. Step 3: Cross multiply
    27,427.05x = 41,107.50 × 12,615.66
  4. Step 4: Simplify right side
    27,427.05x = 518,598,243.45
  5. Step 5: Solve for x
    x = 518,598,243.45/27,427.05
  6. Step 6: Final answer
    x = 18,908.28

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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.