Home / 28,744.20-43,116.30-15,622.20

Finding the Fourth Proportional to 28,744.20, 43,116.30 and 15,622.20

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Solution

The fourth proportional to 28,744.20, 43,116.30 and 15,622.20 is: 23,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.20 : 43,116.30 = 15,622.20 : x
  2. Step 2: Convert to fraction form
    28,744.20/43,116.30 = 15,622.20/x
  3. Step 3: Cross multiply
    28,744.20x = 43,116.30 × 15,622.20
  4. Step 4: Simplify right side
    28,744.20x = 673,571,461.86
  5. Step 5: Solve for x
    x = 673,571,461.86/28,744.20
  6. Step 6: Final answer
    x = 23,433.30

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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.