Home / 27,748.56-38,293.93-15,173.31

Finding the Fourth Proportional to 27,748.56, 38,293.93 and 15,173.31

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Solution

The fourth proportional to 27,748.56, 38,293.93 and 15,173.31 is: 20,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.56 : 38,293.93 = 15,173.31 : x
  2. Step 2: Convert to fraction form
    27,748.56/38,293.93 = 15,173.31/x
  3. Step 3: Cross multiply
    27,748.56x = 38,293.93 × 15,173.31
  4. Step 4: Simplify right side
    27,748.56x = 581,045,671.01
  5. Step 5: Solve for x
    x = 581,045,671.01/27,748.56
  6. Step 6: Final answer
    x = 20,939.67

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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.