Home / 28,000.55-38,641.64-16,067.63

Finding the Fourth Proportional to 28,000.55, 38,641.64 and 16,067.63

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Solution

The fourth proportional to 28,000.55, 38,641.64 and 16,067.63 is: 22,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.55 : 38,641.64 = 16,067.63 : x
  2. Step 2: Convert to fraction form
    28,000.55/38,641.64 = 16,067.63/x
  3. Step 3: Cross multiply
    28,000.55x = 38,641.64 × 16,067.63
  4. Step 4: Simplify right side
    28,000.55x = 620,879,300.57
  5. Step 5: Solve for x
    x = 620,879,300.57/28,000.55
  6. Step 6: Final answer
    x = 22,173.83

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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.