Home / 28,061.62-38,727.09-16,127.86

Finding the Fourth Proportional to 28,061.62, 38,727.09 and 16,127.86

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Solution

The fourth proportional to 28,061.62, 38,727.09 and 16,127.86 is: 22,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.62 : 38,727.09 = 16,127.86 : x
  2. Step 2: Convert to fraction form
    28,061.62/38,727.09 = 16,127.86/x
  3. Step 3: Cross multiply
    28,061.62x = 38,727.09 × 16,127.86
  4. Step 4: Simplify right side
    28,061.62x = 624,585,085.73
  5. Step 5: Solve for x
    x = 624,585,085.73/28,061.62
  6. Step 6: Final answer
    x = 22,257.63

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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.