Home / 25,858.73-38,788.23-10,276.40

Finding the Fourth Proportional to 25,858.73, 38,788.23 and 10,276.40

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Solution

The fourth proportional to 25,858.73, 38,788.23 and 10,276.40 is: 15,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.73 : 38,788.23 = 10,276.40 : x
  2. Step 2: Convert to fraction form
    25,858.73/38,788.23 = 10,276.40/x
  3. Step 3: Cross multiply
    25,858.73x = 38,788.23 × 10,276.40
  4. Step 4: Simplify right side
    25,858.73x = 398,603,502.28
  5. Step 5: Solve for x
    x = 398,603,502.28/25,858.73
  6. Step 6: Final answer
    x = 15,414.66

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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.