Home / 28,169.82-42,197.31-16,288.94

Finding the Fourth Proportional to 28,169.82, 42,197.31 and 16,288.94

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Solution

The fourth proportional to 28,169.82, 42,197.31 and 16,288.94 is: 24,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.82 : 42,197.31 = 16,288.94 : x
  2. Step 2: Convert to fraction form
    28,169.82/42,197.31 = 16,288.94/x
  3. Step 3: Cross multiply
    28,169.82x = 42,197.31 × 16,288.94
  4. Step 4: Simplify right side
    28,169.82x = 687,349,239.76
  5. Step 5: Solve for x
    x = 687,349,239.76/28,169.82
  6. Step 6: Final answer
    x = 24,400.20

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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.