Home / 25,453.71-38,160.73-12,119.84

Finding the Fourth Proportional to 25,453.71, 38,160.73 and 12,119.84

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Solution

The fourth proportional to 25,453.71, 38,160.73 and 12,119.84 is: 18,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.71 : 38,160.73 = 12,119.84 : x
  2. Step 2: Convert to fraction form
    25,453.71/38,160.73 = 12,119.84/x
  3. Step 3: Cross multiply
    25,453.71x = 38,160.73 × 12,119.84
  4. Step 4: Simplify right side
    25,453.71x = 462,501,909.33
  5. Step 5: Solve for x
    x = 462,501,909.33/25,453.71
  6. Step 6: Final answer
    x = 18,170.31

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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.