Home / 28,873.40-43,310.10-10,174.55

Finding the Fourth Proportional to 28,873.40, 43,310.10 and 10,174.55

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Solution

The fourth proportional to 28,873.40, 43,310.10 and 10,174.55 is: 15,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.40 : 43,310.10 = 10,174.55 : x
  2. Step 2: Convert to fraction form
    28,873.40/43,310.10 = 10,174.55/x
  3. Step 3: Cross multiply
    28,873.40x = 43,310.10 × 10,174.55
  4. Step 4: Simplify right side
    28,873.40x = 440,660,777.96
  5. Step 5: Solve for x
    x = 440,660,777.96/28,873.40
  6. Step 6: Final answer
    x = 15,261.83

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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.