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Finding the Fourth Proportional to 36,563.28, 54,854.64 and 11,604

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Solution

The fourth proportional to 36,563.28, 54,854.64 and 11,604 is: 17,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.28 : 54,854.64 = 11,604 : x
  2. Step 2: Convert to fraction form
    36,563.28/54,854.64 = 11,604/x
  3. Step 3: Cross multiply
    36,563.28x = 54,854.64 × 11,604
  4. Step 4: Simplify right side
    36,563.28x = 636,533,242.56
  5. Step 5: Solve for x
    x = 636,533,242.56/36,563.28
  6. Step 6: Final answer
    x = 17,409.08

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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.