Home / 28,751.15-39,676.57-16,004.05

Finding the Fourth Proportional to 28,751.15, 39,676.57 and 16,004.05

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Solution

The fourth proportional to 28,751.15, 39,676.57 and 16,004.05 is: 22,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.15 : 39,676.57 = 16,004.05 : x
  2. Step 2: Convert to fraction form
    28,751.15/39,676.57 = 16,004.05/x
  3. Step 3: Cross multiply
    28,751.15x = 39,676.57 × 16,004.05
  4. Step 4: Simplify right side
    28,751.15x = 634,985,810.11
  5. Step 5: Solve for x
    x = 634,985,810.11/28,751.15
  6. Step 6: Final answer
    x = 22,085.58

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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.