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Finding the Fourth Proportional to 35,988.84, 53,986.84 and 11,028.60

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Solution

The fourth proportional to 35,988.84, 53,986.84 and 11,028.60 is: 16,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.84 : 53,986.84 = 11,028.60 : x
  2. Step 2: Convert to fraction form
    35,988.84/53,986.84 = 11,028.60/x
  3. Step 3: Cross multiply
    35,988.84x = 53,986.84 × 11,028.60
  4. Step 4: Simplify right side
    35,988.84x = 595,399,263.62
  5. Step 5: Solve for x
    x = 595,399,263.62/35,988.84
  6. Step 6: Final answer
    x = 16,544.00

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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.