Home / 28,189.94-38,893.23-16,251.62

Finding the Fourth Proportional to 28,189.94, 38,893.23 and 16,251.62

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Solution

The fourth proportional to 28,189.94, 38,893.23 and 16,251.62 is: 22,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.94 : 38,893.23 = 16,251.62 : x
  2. Step 2: Convert to fraction form
    28,189.94/38,893.23 = 16,251.62/x
  3. Step 3: Cross multiply
    28,189.94x = 38,893.23 × 16,251.62
  4. Step 4: Simplify right side
    28,189.94x = 632,077,800.07
  5. Step 5: Solve for x
    x = 632,077,800.07/28,189.94
  6. Step 6: Final answer
    x = 22,422.11

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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.