Home / 20,832.66-28,719.18-14,853.96

Finding the Fourth Proportional to 20,832.66, 28,719.18 and 14,853.96

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Solution

The fourth proportional to 20,832.66, 28,719.18 and 14,853.96 is: 20,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.66 : 28,719.18 = 14,853.96 : x
  2. Step 2: Convert to fraction form
    20,832.66/28,719.18 = 14,853.96/x
  3. Step 3: Cross multiply
    20,832.66x = 28,719.18 × 14,853.96
  4. Step 4: Simplify right side
    20,832.66x = 426,593,550.95
  5. Step 5: Solve for x
    x = 426,593,550.95/20,832.66
  6. Step 6: Final answer
    x = 20,477.15

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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.