Home / 38,431.48-57,627.26-18,147.08

Finding the Fourth Proportional to 38,431.48, 57,627.26 and 18,147.08

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Solution

The fourth proportional to 38,431.48, 57,627.26 and 18,147.08 is: 27,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.48 : 57,627.26 = 18,147.08 : x
  2. Step 2: Convert to fraction form
    38,431.48/57,627.26 = 18,147.08/x
  3. Step 3: Cross multiply
    38,431.48x = 57,627.26 × 18,147.08
  4. Step 4: Simplify right side
    38,431.48x = 1,045,766,497.40
  5. Step 5: Solve for x
    x = 1,045,766,497.40/38,431.48
  6. Step 6: Final answer
    x = 27,211.20

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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.