Home / 21,328.04-31,961.99-10,071.37

Finding the Fourth Proportional to 21,328.04, 31,961.99 and 10,071.37

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Solution

The fourth proportional to 21,328.04, 31,961.99 and 10,071.37 is: 15,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328.04 : 31,961.99 = 10,071.37 : x
  2. Step 2: Convert to fraction form
    21,328.04/31,961.99 = 10,071.37/x
  3. Step 3: Cross multiply
    21,328.04x = 31,961.99 × 10,071.37
  4. Step 4: Simplify right side
    21,328.04x = 321,901,027.23
  5. Step 5: Solve for x
    x = 321,901,027.23/21,328.04
  6. Step 6: Final answer
    x = 15,092.86

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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.