Home / 25,390.52-38,087.56-7,858.04

Finding the Fourth Proportional to 25,390.52, 38,087.56 and 7,858.04

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Solution

The fourth proportional to 25,390.52, 38,087.56 and 7,858.04 is: 11,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.52 : 38,087.56 = 7,858.04 : x
  2. Step 2: Convert to fraction form
    25,390.52/38,087.56 = 7,858.04/x
  3. Step 3: Cross multiply
    25,390.52x = 38,087.56 × 7,858.04
  4. Step 4: Simplify right side
    25,390.52x = 299,293,569.98
  5. Step 5: Solve for x
    x = 299,293,569.98/25,390.52
  6. Step 6: Final answer
    x = 11,787.61

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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.