Home / 28,868.92-39,830.04-16,932.76

Finding the Fourth Proportional to 28,868.92, 39,830.04 and 16,932.76

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Solution

The fourth proportional to 28,868.92, 39,830.04 and 16,932.76 is: 23,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.92 : 39,830.04 = 16,932.76 : x
  2. Step 2: Convert to fraction form
    28,868.92/39,830.04 = 16,932.76/x
  3. Step 3: Cross multiply
    28,868.92x = 39,830.04 × 16,932.76
  4. Step 4: Simplify right side
    28,868.92x = 674,432,508.11
  5. Step 5: Solve for x
    x = 674,432,508.11/28,868.92
  6. Step 6: Final answer
    x = 23,361.89

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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.