Home / 25,845.20-38,768.88-15,434

Finding the Fourth Proportional to 25,845.20, 38,768.88 and 15,434

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Solution

The fourth proportional to 25,845.20, 38,768.88 and 15,434 is: 23,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.20 : 38,768.88 = 15,434 : x
  2. Step 2: Convert to fraction form
    25,845.20/38,768.88 = 15,434/x
  3. Step 3: Cross multiply
    25,845.20x = 38,768.88 × 15,434
  4. Step 4: Simplify right side
    25,845.20x = 598,358,893.92
  5. Step 5: Solve for x
    x = 598,358,893.92/25,845.20
  6. Step 6: Final answer
    x = 23,151.64

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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.