Home / 28,754.52-39,682.08-16,179

Finding the Fourth Proportional to 28,754.52, 39,682.08 and 16,179

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Solution

The fourth proportional to 28,754.52, 39,682.08 and 16,179 is: 22,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.52 : 39,682.08 = 16,179 : x
  2. Step 2: Convert to fraction form
    28,754.52/39,682.08 = 16,179/x
  3. Step 3: Cross multiply
    28,754.52x = 39,682.08 × 16,179
  4. Step 4: Simplify right side
    28,754.52x = 642,016,372.32
  5. Step 5: Solve for x
    x = 642,016,372.32/28,754.52
  6. Step 6: Final answer
    x = 22,327.49

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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.