Home / 28,761.20-43,158.24-15,614.64

Finding the Fourth Proportional to 28,761.20, 43,158.24 and 15,614.64

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Solution

The fourth proportional to 28,761.20, 43,158.24 and 15,614.64 is: 23,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.20 : 43,158.24 = 15,614.64 : x
  2. Step 2: Convert to fraction form
    28,761.20/43,158.24 = 15,614.64/x
  3. Step 3: Cross multiply
    28,761.20x = 43,158.24 × 15,614.64
  4. Step 4: Simplify right side
    28,761.20x = 673,900,380.63
  5. Step 5: Solve for x
    x = 673,900,380.63/28,761.20
  6. Step 6: Final answer
    x = 23,430.89

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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.