Home / 25,904.88-38,858-19,372.54

Finding the Fourth Proportional to 25,904.88, 38,858 and 19,372.54

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Solution

The fourth proportional to 25,904.88, 38,858 and 19,372.54 is: 29,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904.88 : 38,858 = 19,372.54 : x
  2. Step 2: Convert to fraction form
    25,904.88/38,858 = 19,372.54/x
  3. Step 3: Cross multiply
    25,904.88x = 38,858 × 19,372.54
  4. Step 4: Simplify right side
    25,904.88x = 752,778,159.32
  5. Step 5: Solve for x
    x = 752,778,159.32/25,904.88
  6. Step 6: Final answer
    x = 29,059.32

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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.