Home / 38,652.96-57,982.26-11,995.55

Finding the Fourth Proportional to 38,652.96, 57,982.26 and 11,995.55

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Solution

The fourth proportional to 38,652.96, 57,982.26 and 11,995.55 is: 17,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.96 : 57,982.26 = 11,995.55 : x
  2. Step 2: Convert to fraction form
    38,652.96/57,982.26 = 11,995.55/x
  3. Step 3: Cross multiply
    38,652.96x = 57,982.26 × 11,995.55
  4. Step 4: Simplify right side
    38,652.96x = 695,529,133.31
  5. Step 5: Solve for x
    x = 695,529,133.31/38,652.96
  6. Step 6: Final answer
    x = 17,994.20

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Similar ratio
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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.