Home / 10,029.30-15,039.81-3,788.25

Finding the Fourth Proportional to 10,029.30, 15,039.81 and 3,788.25

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Solution

The fourth proportional to 10,029.30, 15,039.81 and 3,788.25 is: 5,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.30 : 15,039.81 = 3,788.25 : x
  2. Step 2: Convert to fraction form
    10,029.30/15,039.81 = 3,788.25/x
  3. Step 3: Cross multiply
    10,029.30x = 15,039.81 × 3,788.25
  4. Step 4: Simplify right side
    10,029.30x = 56,974,560.23
  5. Step 5: Solve for x
    x = 56,974,560.23/10,029.30
  6. Step 6: Final answer
    x = 5,680.81

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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.