Home / 21,338.28-32,007.36-7,484.04

Finding the Fourth Proportional to 21,338.28, 32,007.36 and 7,484.04

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Solution

The fourth proportional to 21,338.28, 32,007.36 and 7,484.04 is: 11,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338.28 : 32,007.36 = 7,484.04 : x
  2. Step 2: Convert to fraction form
    21,338.28/32,007.36 = 7,484.04/x
  3. Step 3: Cross multiply
    21,338.28x = 32,007.36 × 7,484.04
  4. Step 4: Simplify right side
    21,338.28x = 239,544,362.53
  5. Step 5: Solve for x
    x = 239,544,362.53/21,338.28
  6. Step 6: Final answer
    x = 11,226.04

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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.