Home / 19,801.31-29,628.14-19,579.87

Finding the Fourth Proportional to 19,801.31, 29,628.14 and 19,579.87

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Solution

The fourth proportional to 19,801.31, 29,628.14 and 19,579.87 is: 29,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.31 : 29,628.14 = 19,579.87 : x
  2. Step 2: Convert to fraction form
    19,801.31/29,628.14 = 19,579.87/x
  3. Step 3: Cross multiply
    19,801.31x = 29,628.14 × 19,579.87
  4. Step 4: Simplify right side
    19,801.31x = 580,114,981.40
  5. Step 5: Solve for x
    x = 580,114,981.40/19,801.31
  6. Step 6: Final answer
    x = 29,296.80

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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.