Home / 26,424.20-39,634.86-8,892.20

Finding the Fourth Proportional to 26,424.20, 39,634.86 and 8,892.20

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Solution

The fourth proportional to 26,424.20, 39,634.86 and 8,892.20 is: 13,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.20 : 39,634.86 = 8,892.20 : x
  2. Step 2: Convert to fraction form
    26,424.20/39,634.86 = 8,892.20/x
  3. Step 3: Cross multiply
    26,424.20x = 39,634.86 × 8,892.20
  4. Step 4: Simplify right side
    26,424.20x = 352,441,102.09
  5. Step 5: Solve for x
    x = 352,441,102.09/26,424.20
  6. Step 6: Final answer
    x = 13,337.82

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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.