Home / 28,701.03-39,606.48-16,765.68

Finding the Fourth Proportional to 28,701.03, 39,606.48 and 16,765.68

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Solution

The fourth proportional to 28,701.03, 39,606.48 and 16,765.68 is: 23,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.03 : 39,606.48 = 16,765.68 : x
  2. Step 2: Convert to fraction form
    28,701.03/39,606.48 = 16,765.68/x
  3. Step 3: Cross multiply
    28,701.03x = 39,606.48 × 16,765.68
  4. Step 4: Simplify right side
    28,701.03x = 664,029,569.61
  5. Step 5: Solve for x
    x = 664,029,569.61/28,701.03
  6. Step 6: Final answer
    x = 23,136.09

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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.