Home / 21,329.04-31,963.49-10,072.37

Finding the Fourth Proportional to 21,329.04, 31,963.49 and 10,072.37

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Solution

The fourth proportional to 21,329.04, 31,963.49 and 10,072.37 is: 15,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,329.04 : 31,963.49 = 10,072.37 : x
  2. Step 2: Convert to fraction form
    21,329.04/31,963.49 = 10,072.37/x
  3. Step 3: Cross multiply
    21,329.04x = 31,963.49 × 10,072.37
  4. Step 4: Simplify right side
    21,329.04x = 321,948,097.77
  5. Step 5: Solve for x
    x = 321,948,097.77/21,329.04
  6. Step 6: Final answer
    x = 15,094.35

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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.