Home / 21,454.60-32,181.90-17,736.70

Finding the Fourth Proportional to 21,454.60, 32,181.90 and 17,736.70

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Solution

The fourth proportional to 21,454.60, 32,181.90 and 17,736.70 is: 26,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.60 : 32,181.90 = 17,736.70 : x
  2. Step 2: Convert to fraction form
    21,454.60/32,181.90 = 17,736.70/x
  3. Step 3: Cross multiply
    21,454.60x = 32,181.90 × 17,736.70
  4. Step 4: Simplify right side
    21,454.60x = 570,800,705.73
  5. Step 5: Solve for x
    x = 570,800,705.73/21,454.60
  6. Step 6: Final answer
    x = 26,605.05

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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.