Home / 18,788.00-28,192.37-10,472.69

Finding the Fourth Proportional to 18,788.00, 28,192.37 and 10,472.69

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Solution

The fourth proportional to 18,788.00, 28,192.37 and 10,472.69 is: 15,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.00 : 28,192.37 = 10,472.69 : x
  2. Step 2: Convert to fraction form
    18,788.00/28,192.37 = 10,472.69/x
  3. Step 3: Cross multiply
    18,788.00x = 28,192.37 × 10,472.69
  4. Step 4: Simplify right side
    18,788.00x = 295,249,969.49
  5. Step 5: Solve for x
    x = 295,249,969.49/18,788.00
  6. Step 6: Final answer
    x = 15,714.82

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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.