Home / 28,997.55-43,418.37-18,410.24

Finding the Fourth Proportional to 28,997.55, 43,418.37 and 18,410.24

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Solution

The fourth proportional to 28,997.55, 43,418.37 and 18,410.24 is: 27,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.55 : 43,418.37 = 18,410.24 : x
  2. Step 2: Convert to fraction form
    28,997.55/43,418.37 = 18,410.24/x
  3. Step 3: Cross multiply
    28,997.55x = 43,418.37 × 18,410.24
  4. Step 4: Simplify right side
    28,997.55x = 799,342,612.11
  5. Step 5: Solve for x
    x = 799,342,612.11/28,997.55
  6. Step 6: Final answer
    x = 27,565.87

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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.