Home / 20,619.51-30,928.99-5,037.27

Finding the Fourth Proportional to 20,619.51, 30,928.99 and 5,037.27

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Solution

The fourth proportional to 20,619.51, 30,928.99 and 5,037.27 is: 7,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.51 : 30,928.99 = 5,037.27 : x
  2. Step 2: Convert to fraction form
    20,619.51/30,928.99 = 5,037.27/x
  3. Step 3: Cross multiply
    20,619.51x = 30,928.99 × 5,037.27
  4. Step 4: Simplify right side
    20,619.51x = 155,797,673.46
  5. Step 5: Solve for x
    x = 155,797,673.46/20,619.51
  6. Step 6: Final answer
    x = 7,555.84

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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.