Home / 21,269.71-29,362.26-14,200.84

Finding the Fourth Proportional to 21,269.71, 29,362.26 and 14,200.84

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Solution

The fourth proportional to 21,269.71, 29,362.26 and 14,200.84 is: 19,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.71 : 29,362.26 = 14,200.84 : x
  2. Step 2: Convert to fraction form
    21,269.71/29,362.26 = 14,200.84/x
  3. Step 3: Cross multiply
    21,269.71x = 29,362.26 × 14,200.84
  4. Step 4: Simplify right side
    21,269.71x = 416,968,756.30
  5. Step 5: Solve for x
    x = 416,968,756.30/21,269.71
  6. Step 6: Final answer
    x = 19,603.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.