Home / 25,187.05-37,788.78-12,040.45

Finding the Fourth Proportional to 25,187.05, 37,788.78 and 12,040.45

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Solution

The fourth proportional to 25,187.05, 37,788.78 and 12,040.45 is: 18,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.05 : 37,788.78 = 12,040.45 : x
  2. Step 2: Convert to fraction form
    25,187.05/37,788.78 = 12,040.45/x
  3. Step 3: Cross multiply
    25,187.05x = 37,788.78 × 12,040.45
  4. Step 4: Simplify right side
    25,187.05x = 454,993,916.15
  5. Step 5: Solve for x
    x = 454,993,916.15/25,187.05
  6. Step 6: Final answer
    x = 18,064.60

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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.