Home / 19,579.92-29,372.04-5,730

Finding the Fourth Proportional to 19,579.92, 29,372.04 and 5,730

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Solution

The fourth proportional to 19,579.92, 29,372.04 and 5,730 is: 8,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.92 : 29,372.04 = 5,730 : x
  2. Step 2: Convert to fraction form
    19,579.92/29,372.04 = 5,730/x
  3. Step 3: Cross multiply
    19,579.92x = 29,372.04 × 5,730
  4. Step 4: Simplify right side
    19,579.92x = 168,301,789.20
  5. Step 5: Solve for x
    x = 168,301,789.20/19,579.92
  6. Step 6: Final answer
    x = 8,595.63

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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.