Home / 38,255.40-57,363.30-11,953.08

Finding the Fourth Proportional to 38,255.40, 57,363.30 and 11,953.08

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Solution

The fourth proportional to 38,255.40, 57,363.30 and 11,953.08 is: 17,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.40 : 57,363.30 = 11,953.08 : x
  2. Step 2: Convert to fraction form
    38,255.40/57,363.30 = 11,953.08/x
  3. Step 3: Cross multiply
    38,255.40x = 57,363.30 × 11,953.08
  4. Step 4: Simplify right side
    38,255.40x = 685,668,113.96
  5. Step 5: Solve for x
    x = 685,668,113.96/38,255.40
  6. Step 6: Final answer
    x = 17,923.43

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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.