Home / 28,744.80-43,117.20-19,996.80

Finding the Fourth Proportional to 28,744.80, 43,117.20 and 19,996.80

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Solution

The fourth proportional to 28,744.80, 43,117.20 and 19,996.80 is: 29,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.80 : 43,117.20 = 19,996.80 : x
  2. Step 2: Convert to fraction form
    28,744.80/43,117.20 = 19,996.80/x
  3. Step 3: Cross multiply
    28,744.80x = 43,117.20 × 19,996.80
  4. Step 4: Simplify right side
    28,744.80x = 862,206,024.96
  5. Step 5: Solve for x
    x = 862,206,024.96/28,744.80
  6. Step 6: Final answer
    x = 29,995.20

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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.