Home / 25,317.26-37,975.89-16,865.87

Finding the Fourth Proportional to 25,317.26, 37,975.89 and 16,865.87

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Solution

The fourth proportional to 25,317.26, 37,975.89 and 16,865.87 is: 25,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.26 : 37,975.89 = 16,865.87 : x
  2. Step 2: Convert to fraction form
    25,317.26/37,975.89 = 16,865.87/x
  3. Step 3: Cross multiply
    25,317.26x = 37,975.89 × 16,865.87
  4. Step 4: Simplify right side
    25,317.26x = 640,496,415.99
  5. Step 5: Solve for x
    x = 640,496,415.99/25,317.26
  6. Step 6: Final answer
    x = 25,298.81

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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.