Home / 21,469.20-32,232.60-13,693.20

Finding the Fourth Proportional to 21,469.20, 32,232.60 and 13,693.20

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Solution

The fourth proportional to 21,469.20, 32,232.60 and 13,693.20 is: 20,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.20 : 32,232.60 = 13,693.20 : x
  2. Step 2: Convert to fraction form
    21,469.20/32,232.60 = 13,693.20/x
  3. Step 3: Cross multiply
    21,469.20x = 32,232.60 × 13,693.20
  4. Step 4: Simplify right side
    21,469.20x = 441,367,438.32
  5. Step 5: Solve for x
    x = 441,367,438.32/21,469.20
  6. Step 6: Final answer
    x = 20,558.17

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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.