Home / 26,917.30-40,337.55-19,842.10

Finding the Fourth Proportional to 26,917.30, 40,337.55 and 19,842.10

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Solution

The fourth proportional to 26,917.30, 40,337.55 and 19,842.10 is: 29,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.30 : 40,337.55 = 19,842.10 : x
  2. Step 2: Convert to fraction form
    26,917.30/40,337.55 = 19,842.10/x
  3. Step 3: Cross multiply
    26,917.30x = 40,337.55 × 19,842.10
  4. Step 4: Simplify right side
    26,917.30x = 800,381,700.86
  5. Step 5: Solve for x
    x = 800,381,700.86/26,917.30
  6. Step 6: Final answer
    x = 29,734.84

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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.