Home / 27,116.34-37,420.18-15,179.67

Finding the Fourth Proportional to 27,116.34, 37,420.18 and 15,179.67

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Solution

The fourth proportional to 27,116.34, 37,420.18 and 15,179.67 is: 20,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.34 : 37,420.18 = 15,179.67 : x
  2. Step 2: Convert to fraction form
    27,116.34/37,420.18 = 15,179.67/x
  3. Step 3: Cross multiply
    27,116.34x = 37,420.18 × 15,179.67
  4. Step 4: Simplify right side
    27,116.34x = 568,025,945.79
  5. Step 5: Solve for x
    x = 568,025,945.79/27,116.34
  6. Step 6: Final answer
    x = 20,947.74

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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.