Home / 28,779.78-39,716.00-16,033.13

Finding the Fourth Proportional to 28,779.78, 39,716.00 and 16,033.13

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Solution

The fourth proportional to 28,779.78, 39,716.00 and 16,033.13 is: 22,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.78 : 39,716.00 = 16,033.13 : x
  2. Step 2: Convert to fraction form
    28,779.78/39,716.00 = 16,033.13/x
  3. Step 3: Cross multiply
    28,779.78x = 39,716.00 × 16,033.13
  4. Step 4: Simplify right side
    28,779.78x = 636,771,512.33
  5. Step 5: Solve for x
    x = 636,771,512.33/28,779.78
  6. Step 6: Final answer
    x = 22,125.66

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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.