Home / 36,007.68-54,001.28-13,819.52

Finding the Fourth Proportional to 36,007.68, 54,001.28 and 13,819.52

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Solution

The fourth proportional to 36,007.68, 54,001.28 and 13,819.52 is: 20,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.68 : 54,001.28 = 13,819.52 : x
  2. Step 2: Convert to fraction form
    36,007.68/54,001.28 = 13,819.52/x
  3. Step 3: Cross multiply
    36,007.68x = 54,001.28 × 13,819.52
  4. Step 4: Simplify right side
    36,007.68x = 746,271,768.99
  5. Step 5: Solve for x
    x = 746,271,768.99/36,007.68
  6. Step 6: Final answer
    x = 20,725.35

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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.