Home / 20,800.46-31,192.70-16,366.85

Finding the Fourth Proportional to 20,800.46, 31,192.70 and 16,366.85

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Solution

The fourth proportional to 20,800.46, 31,192.70 and 16,366.85 is: 24,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800.46 : 31,192.70 = 16,366.85 : x
  2. Step 2: Convert to fraction form
    20,800.46/31,192.70 = 16,366.85/x
  3. Step 3: Cross multiply
    20,800.46x = 31,192.70 × 16,366.85
  4. Step 4: Simplify right side
    20,800.46x = 510,526,077.31
  5. Step 5: Solve for x
    x = 510,526,077.31/20,800.46
  6. Step 6: Final answer
    x = 24,543.98

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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.