Home / 25,288.62-37,900.53-12,121.26

Finding the Fourth Proportional to 25,288.62, 37,900.53 and 12,121.26

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Solution

The fourth proportional to 25,288.62, 37,900.53 and 12,121.26 is: 18,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.62 : 37,900.53 = 12,121.26 : x
  2. Step 2: Convert to fraction form
    25,288.62/37,900.53 = 12,121.26/x
  3. Step 3: Cross multiply
    25,288.62x = 37,900.53 × 12,121.26
  4. Step 4: Simplify right side
    25,288.62x = 459,402,178.27
  5. Step 5: Solve for x
    x = 459,402,178.27/25,288.62
  6. Step 6: Final answer
    x = 18,166.36

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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.