Home / 26,231.05-39,352.20-8,462.72

Finding the Fourth Proportional to 26,231.05, 39,352.20 and 8,462.72

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Solution

The fourth proportional to 26,231.05, 39,352.20 and 8,462.72 is: 12,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.05 : 39,352.20 = 8,462.72 : x
  2. Step 2: Convert to fraction form
    26,231.05/39,352.20 = 8,462.72/x
  3. Step 3: Cross multiply
    26,231.05x = 39,352.20 × 8,462.72
  4. Step 4: Simplify right side
    26,231.05x = 333,026,740.43
  5. Step 5: Solve for x
    x = 333,026,740.43/26,231.05
  6. Step 6: Final answer
    x = 12,695.90

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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.