Home / 28,383.87-39,166.76-16,450.95

Finding the Fourth Proportional to 28,383.87, 39,166.76 and 16,450.95

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Solution

The fourth proportional to 28,383.87, 39,166.76 and 16,450.95 is: 22,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.87 : 39,166.76 = 16,450.95 : x
  2. Step 2: Convert to fraction form
    28,383.87/39,166.76 = 16,450.95/x
  3. Step 3: Cross multiply
    28,383.87x = 39,166.76 × 16,450.95
  4. Step 4: Simplify right side
    28,383.87x = 644,330,328.17
  5. Step 5: Solve for x
    x = 644,330,328.17/28,383.87
  6. Step 6: Final answer
    x = 22,700.58

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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.