Home / 20,759.64-31,139.46-16,625.94

Finding the Fourth Proportional to 20,759.64, 31,139.46 and 16,625.94

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Solution

The fourth proportional to 20,759.64, 31,139.46 and 16,625.94 is: 24,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.64 : 31,139.46 = 16,625.94 : x
  2. Step 2: Convert to fraction form
    20,759.64/31,139.46 = 16,625.94/x
  3. Step 3: Cross multiply
    20,759.64x = 31,139.46 × 16,625.94
  4. Step 4: Simplify right side
    20,759.64x = 517,722,793.59
  5. Step 5: Solve for x
    x = 517,722,793.59/20,759.64
  6. Step 6: Final answer
    x = 24,938.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.