Home / 20,882.29-28,778.92-14,832.81

Finding the Fourth Proportional to 20,882.29, 28,778.92 and 14,832.81

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Solution

The fourth proportional to 20,882.29, 28,778.92 and 14,832.81 is: 20,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.29 : 28,778.92 = 14,832.81 : x
  2. Step 2: Convert to fraction form
    20,882.29/28,778.92 = 14,832.81/x
  3. Step 3: Cross multiply
    20,882.29x = 28,778.92 × 14,832.81
  4. Step 4: Simplify right side
    20,882.29x = 426,872,252.37
  5. Step 5: Solve for x
    x = 426,872,252.37/20,882.29
  6. Step 6: Final answer
    x = 20,441.83

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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.