Home / 25,184.81-37,704.26-18,971.00

Finding the Fourth Proportional to 25,184.81, 37,704.26 and 18,971.00

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Solution

The fourth proportional to 25,184.81, 37,704.26 and 18,971.00 is: 28,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,184.81 : 37,704.26 = 18,971.00 : x
  2. Step 2: Convert to fraction form
    25,184.81/37,704.26 = 18,971.00/x
  3. Step 3: Cross multiply
    25,184.81x = 37,704.26 × 18,971.00
  4. Step 4: Simplify right side
    25,184.81x = 715,287,375.37
  5. Step 5: Solve for x
    x = 715,287,375.37/25,184.81
  6. Step 6: Final answer
    x = 28,401.54

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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.