Home / 25,170.60-34,734.66-13,840.04

Finding the Fourth Proportional to 25,170.60, 34,734.66 and 13,840.04

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Solution

The fourth proportional to 25,170.60, 34,734.66 and 13,840.04 is: 19,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.60 : 34,734.66 = 13,840.04 : x
  2. Step 2: Convert to fraction form
    25,170.60/34,734.66 = 13,840.04/x
  3. Step 3: Cross multiply
    25,170.60x = 34,734.66 × 13,840.04
  4. Step 4: Simplify right side
    25,170.60x = 480,729,083.79
  5. Step 5: Solve for x
    x = 480,729,083.79/25,170.60
  6. Step 6: Final answer
    x = 19,098.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.