Home / 28,737.84-39,661.92-16,162.80

Finding the Fourth Proportional to 28,737.84, 39,661.92 and 16,162.80

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Solution

The fourth proportional to 28,737.84, 39,661.92 and 16,162.80 is: 22,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.84 : 39,661.92 = 16,162.80 : x
  2. Step 2: Convert to fraction form
    28,737.84/39,661.92 = 16,162.80/x
  3. Step 3: Cross multiply
    28,737.84x = 39,661.92 × 16,162.80
  4. Step 4: Simplify right side
    28,737.84x = 641,047,680.58
  5. Step 5: Solve for x
    x = 641,047,680.58/28,737.84
  6. Step 6: Final answer
    x = 22,306.75

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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.