Home / 21,958.81-32,873.59-13,612.03

Finding the Fourth Proportional to 21,958.81, 32,873.59 and 13,612.03

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Solution

The fourth proportional to 21,958.81, 32,873.59 and 13,612.03 is: 20,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.81 : 32,873.59 = 13,612.03 : x
  2. Step 2: Convert to fraction form
    21,958.81/32,873.59 = 13,612.03/x
  3. Step 3: Cross multiply
    21,958.81x = 32,873.59 × 13,612.03
  4. Step 4: Simplify right side
    21,958.81x = 447,476,293.29
  5. Step 5: Solve for x
    x = 447,476,293.29/21,958.81
  6. Step 6: Final answer
    x = 20,377.98

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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.