Home / 25,269.12-37,872-19,447.68

Finding the Fourth Proportional to 25,269.12, 37,872 and 19,447.68

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Solution

The fourth proportional to 25,269.12, 37,872 and 19,447.68 is: 29,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.12 : 37,872 = 19,447.68 : x
  2. Step 2: Convert to fraction form
    25,269.12/37,872 = 19,447.68/x
  3. Step 3: Cross multiply
    25,269.12x = 37,872 × 19,447.68
  4. Step 4: Simplify right side
    25,269.12x = 736,522,536.96
  5. Step 5: Solve for x
    x = 736,522,536.96/25,269.12
  6. Step 6: Final answer
    x = 29,147.14

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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.