Home / 28,619.26-42,933.50-13,829.27

Finding the Fourth Proportional to 28,619.26, 42,933.50 and 13,829.27

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Solution

The fourth proportional to 28,619.26, 42,933.50 and 13,829.27 is: 20,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.26 : 42,933.50 = 13,829.27 : x
  2. Step 2: Convert to fraction form
    28,619.26/42,933.50 = 13,829.27/x
  3. Step 3: Cross multiply
    28,619.26x = 42,933.50 × 13,829.27
  4. Step 4: Simplify right side
    28,619.26x = 593,738,679.73
  5. Step 5: Solve for x
    x = 593,738,679.73/28,619.26
  6. Step 6: Final answer
    x = 20,746.12

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1.5x scale

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.