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Finding the Fourth Proportional to 29,015.86, 40,027.15 and 18,950.19

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Solution

The fourth proportional to 29,015.86, 40,027.15 and 18,950.19 is: 26,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015.86 : 40,027.15 = 18,950.19 : x
  2. Step 2: Convert to fraction form
    29,015.86/40,027.15 = 18,950.19/x
  3. Step 3: Cross multiply
    29,015.86x = 40,027.15 × 18,950.19
  4. Step 4: Simplify right side
    29,015.86x = 758,522,050.28
  5. Step 5: Solve for x
    x = 758,522,050.28/29,015.86
  6. Step 6: Final answer
    x = 26,141.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.