Home / 21,444.74-32,157.39-13,940.90

Finding the Fourth Proportional to 21,444.74, 32,157.39 and 13,940.90

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Solution

The fourth proportional to 21,444.74, 32,157.39 and 13,940.90 is: 20,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.74 : 32,157.39 = 13,940.90 : x
  2. Step 2: Convert to fraction form
    21,444.74/32,157.39 = 13,940.90/x
  3. Step 3: Cross multiply
    21,444.74x = 32,157.39 × 13,940.90
  4. Step 4: Simplify right side
    21,444.74x = 448,302,958.25
  5. Step 5: Solve for x
    x = 448,302,958.25/21,444.74
  6. Step 6: Final answer
    x = 20,905.03

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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.