Home / 25,763.03-38,647.79-9,119.15

Finding the Fourth Proportional to 25,763.03, 38,647.79 and 9,119.15

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Solution

The fourth proportional to 25,763.03, 38,647.79 and 9,119.15 is: 13,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763.03 : 38,647.79 = 9,119.15 : x
  2. Step 2: Convert to fraction form
    25,763.03/38,647.79 = 9,119.15/x
  3. Step 3: Cross multiply
    25,763.03x = 38,647.79 × 9,119.15
  4. Step 4: Simplify right side
    25,763.03x = 352,434,994.18
  5. Step 5: Solve for x
    x = 352,434,994.18/25,763.03
  6. Step 6: Final answer
    x = 13,679.87

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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.