Home / 20,623.41-28,388.05-17,966.20

Finding the Fourth Proportional to 20,623.41, 28,388.05 and 17,966.20

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Solution

The fourth proportional to 20,623.41, 28,388.05 and 17,966.20 is: 24,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.41 : 28,388.05 = 17,966.20 : x
  2. Step 2: Convert to fraction form
    20,623.41/28,388.05 = 17,966.20/x
  3. Step 3: Cross multiply
    20,623.41x = 28,388.05 × 17,966.20
  4. Step 4: Simplify right side
    20,623.41x = 510,025,383.91
  5. Step 5: Solve for x
    x = 510,025,383.91/20,623.41
  6. Step 6: Final answer
    x = 24,730.42

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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.