Home / 20,444.80-28,229.70-16,484.80

Finding the Fourth Proportional to 20,444.80, 28,229.70 and 16,484.80

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Solution

The fourth proportional to 20,444.80, 28,229.70 and 16,484.80 is: 22,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.80 : 28,229.70 = 16,484.80 : x
  2. Step 2: Convert to fraction form
    20,444.80/28,229.70 = 16,484.80/x
  3. Step 3: Cross multiply
    20,444.80x = 28,229.70 × 16,484.80
  4. Step 4: Simplify right side
    20,444.80x = 465,360,958.56
  5. Step 5: Solve for x
    x = 465,360,958.56/20,444.80
  6. Step 6: Final answer
    x = 22,761.82

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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.