Home / 21,360.62-32,016.54-13,359.08

Finding the Fourth Proportional to 21,360.62, 32,016.54 and 13,359.08

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Solution

The fourth proportional to 21,360.62, 32,016.54 and 13,359.08 is: 20,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.62 : 32,016.54 = 13,359.08 : x
  2. Step 2: Convert to fraction form
    21,360.62/32,016.54 = 13,359.08/x
  3. Step 3: Cross multiply
    21,360.62x = 32,016.54 × 13,359.08
  4. Step 4: Simplify right side
    21,360.62x = 427,711,519.18
  5. Step 5: Solve for x
    x = 427,711,519.18/21,360.62
  6. Step 6: Final answer
    x = 20,023.37

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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.