Home / 28,266.27-42,377.52-16,401.80

Finding the Fourth Proportional to 28,266.27, 42,377.52 and 16,401.80

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Solution

The fourth proportional to 28,266.27, 42,377.52 and 16,401.80 is: 24,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.27 : 42,377.52 = 16,401.80 : x
  2. Step 2: Convert to fraction form
    28,266.27/42,377.52 = 16,401.80/x
  3. Step 3: Cross multiply
    28,266.27x = 42,377.52 × 16,401.80
  4. Step 4: Simplify right side
    28,266.27x = 695,067,395.65
  5. Step 5: Solve for x
    x = 695,067,395.65/28,266.27
  6. Step 6: Final answer
    x = 24,589.99

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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.