Home / 28,827.08-39,780.84-16,251.84

Finding the Fourth Proportional to 28,827.08, 39,780.84 and 16,251.84

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Solution

The fourth proportional to 28,827.08, 39,780.84 and 16,251.84 is: 22,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.08 : 39,780.84 = 16,251.84 : x
  2. Step 2: Convert to fraction form
    28,827.08/39,780.84 = 16,251.84/x
  3. Step 3: Cross multiply
    28,827.08x = 39,780.84 × 16,251.84
  4. Step 4: Simplify right side
    28,827.08x = 646,511,846.75
  5. Step 5: Solve for x
    x = 646,511,846.75/28,827.08
  6. Step 6: Final answer
    x = 22,427.24

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1.5x scale

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.