Home / 28,013.60-38,650.52-16,677.43

Finding the Fourth Proportional to 28,013.60, 38,650.52 and 16,677.43

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Solution

The fourth proportional to 28,013.60, 38,650.52 and 16,677.43 is: 23,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.60 : 38,650.52 = 16,677.43 : x
  2. Step 2: Convert to fraction form
    28,013.60/38,650.52 = 16,677.43/x
  3. Step 3: Cross multiply
    28,013.60x = 38,650.52 × 16,677.43
  4. Step 4: Simplify right side
    28,013.60x = 644,591,286.83
  5. Step 5: Solve for x
    x = 644,591,286.83/28,013.60
  6. Step 6: Final answer
    x = 23,009.94

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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.