Home / 21,635.96-32,388.18-13,850.24

Finding the Fourth Proportional to 21,635.96, 32,388.18 and 13,850.24

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Solution

The fourth proportional to 21,635.96, 32,388.18 and 13,850.24 is: 20,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.96 : 32,388.18 = 13,850.24 : x
  2. Step 2: Convert to fraction form
    21,635.96/32,388.18 = 13,850.24/x
  3. Step 3: Cross multiply
    21,635.96x = 32,388.18 × 13,850.24
  4. Step 4: Simplify right side
    21,635.96x = 448,584,066.16
  5. Step 5: Solve for x
    x = 448,584,066.16/21,635.96
  6. Step 6: Final answer
    x = 20,733.26

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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.