Home / 20,477.43-28,252.03-16,694.07

Finding the Fourth Proportional to 20,477.43, 28,252.03 and 16,694.07

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Solution

The fourth proportional to 20,477.43, 28,252.03 and 16,694.07 is: 23,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.43 : 28,252.03 = 16,694.07 : x
  2. Step 2: Convert to fraction form
    20,477.43/28,252.03 = 16,694.07/x
  3. Step 3: Cross multiply
    20,477.43x = 28,252.03 × 16,694.07
  4. Step 4: Simplify right side
    20,477.43x = 471,641,141.73
  5. Step 5: Solve for x
    x = 471,641,141.73/20,477.43
  6. Step 6: Final answer
    x = 23,032.25

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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.