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Finding the Fourth Proportional to 89,008.56, 133,534.68 and 26,679

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Solution

The fourth proportional to 89,008.56, 133,534.68 and 26,679 is: 40,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.56 : 133,534.68 = 26,679 : x
  2. Step 2: Convert to fraction form
    89,008.56/133,534.68 = 26,679/x
  3. Step 3: Cross multiply
    89,008.56x = 133,534.68 × 26,679
  4. Step 4: Simplify right side
    89,008.56x = 3,562,571,727.72
  5. Step 5: Solve for x
    x = 3,562,571,727.72/89,008.56
  6. Step 6: Final answer
    x = 40,025.05

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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.