Home / 28,974.82-39,981.95-16,226.23

Finding the Fourth Proportional to 28,974.82, 39,981.95 and 16,226.23

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Solution

The fourth proportional to 28,974.82, 39,981.95 and 16,226.23 is: 22,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.82 : 39,981.95 = 16,226.23 : x
  2. Step 2: Convert to fraction form
    28,974.82/39,981.95 = 16,226.23/x
  3. Step 3: Cross multiply
    28,974.82x = 39,981.95 × 16,226.23
  4. Step 4: Simplify right side
    28,974.82x = 648,756,235.42
  5. Step 5: Solve for x
    x = 648,756,235.42/28,974.82
  6. Step 6: Final answer
    x = 22,390.35

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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.