Home / 25,519.53-38,288.07-11,489.40

Finding the Fourth Proportional to 25,519.53, 38,288.07 and 11,489.40

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Solution

The fourth proportional to 25,519.53, 38,288.07 and 11,489.40 is: 17,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.53 : 38,288.07 = 11,489.40 : x
  2. Step 2: Convert to fraction form
    25,519.53/38,288.07 = 11,489.40/x
  3. Step 3: Cross multiply
    25,519.53x = 38,288.07 × 11,489.40
  4. Step 4: Simplify right side
    25,519.53x = 439,906,951.46
  5. Step 5: Solve for x
    x = 439,906,951.46/25,519.53
  6. Step 6: Final answer
    x = 17,238.05

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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.