Home / 27,748.50-38,292.93-15,173.25

Finding the Fourth Proportional to 27,748.50, 38,292.93 and 15,173.25

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Solution

The fourth proportional to 27,748.50, 38,292.93 and 15,173.25 is: 20,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.50 : 38,292.93 = 15,173.25 : x
  2. Step 2: Convert to fraction form
    27,748.50/38,292.93 = 15,173.25/x
  3. Step 3: Cross multiply
    27,748.50x = 38,292.93 × 15,173.25
  4. Step 4: Simplify right side
    27,748.50x = 581,028,200.12
  5. Step 5: Solve for x
    x = 581,028,200.12/27,748.50
  6. Step 6: Final answer
    x = 20,939.09

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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.