Home / 38,126.94-57,209.86-18,159

Finding the Fourth Proportional to 38,126.94, 57,209.86 and 18,159

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Solution

The fourth proportional to 38,126.94, 57,209.86 and 18,159 is: 27,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.94 : 57,209.86 = 18,159 : x
  2. Step 2: Convert to fraction form
    38,126.94/57,209.86 = 18,159/x
  3. Step 3: Cross multiply
    38,126.94x = 57,209.86 × 18,159
  4. Step 4: Simplify right side
    38,126.94x = 1,038,873,847.74
  5. Step 5: Solve for x
    x = 1,038,873,847.74/38,126.94
  6. Step 6: Final answer
    x = 27,247.76

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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.