Home / 38,189.55-57,261.32-17,125.79

Finding the Fourth Proportional to 38,189.55, 57,261.32 and 17,125.79

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Solution

The fourth proportional to 38,189.55, 57,261.32 and 17,125.79 is: 25,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.55 : 57,261.32 = 17,125.79 : x
  2. Step 2: Convert to fraction form
    38,189.55/57,261.32 = 17,125.79/x
  3. Step 3: Cross multiply
    38,189.55x = 57,261.32 × 17,125.79
  4. Step 4: Simplify right side
    38,189.55x = 980,644,969.51
  5. Step 5: Solve for x
    x = 980,644,969.51/38,189.55
  6. Step 6: Final answer
    x = 25,678.36

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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.