Home / 18,451.32-27,671.31-17,445.30

Finding the Fourth Proportional to 18,451.32, 27,671.31 and 17,445.30

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Solution

The fourth proportional to 18,451.32, 27,671.31 and 17,445.30 is: 26,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.32 : 27,671.31 = 17,445.30 : x
  2. Step 2: Convert to fraction form
    18,451.32/27,671.31 = 17,445.30/x
  3. Step 3: Cross multiply
    18,451.32x = 27,671.31 × 17,445.30
  4. Step 4: Simplify right side
    18,451.32x = 482,734,304.34
  5. Step 5: Solve for x
    x = 482,734,304.34/18,451.32
  6. Step 6: Final answer
    x = 26,162.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.