Home / 25,788.85-38,683.82-8,258.63

Finding the Fourth Proportional to 25,788.85, 38,683.82 and 8,258.63

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Solution

The fourth proportional to 25,788.85, 38,683.82 and 8,258.63 is: 12,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.85 : 38,683.82 = 8,258.63 : x
  2. Step 2: Convert to fraction form
    25,788.85/38,683.82 = 8,258.63/x
  3. Step 3: Cross multiply
    25,788.85x = 38,683.82 × 8,258.63
  4. Step 4: Simplify right side
    25,788.85x = 319,475,356.37
  5. Step 5: Solve for x
    x = 319,475,356.37/25,788.85
  6. Step 6: Final answer
    x = 12,388.12

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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.