Home / 28,011.26-38,653.52-16,074.30

Finding the Fourth Proportional to 28,011.26, 38,653.52 and 16,074.30

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Solution

The fourth proportional to 28,011.26, 38,653.52 and 16,074.30 is: 22,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.26 : 38,653.52 = 16,074.30 : x
  2. Step 2: Convert to fraction form
    28,011.26/38,653.52 = 16,074.30/x
  3. Step 3: Cross multiply
    28,011.26x = 38,653.52 × 16,074.30
  4. Step 4: Simplify right side
    28,011.26x = 621,328,276.54
  5. Step 5: Solve for x
    x = 621,328,276.54/28,011.26
  6. Step 6: Final answer
    x = 22,181.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.