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Finding the Fourth Proportional to 35,887.96, 53,825.54 and 10,921.96

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Solution

The fourth proportional to 35,887.96, 53,825.54 and 10,921.96 is: 16,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.96 : 53,825.54 = 10,921.96 : x
  2. Step 2: Convert to fraction form
    35,887.96/53,825.54 = 10,921.96/x
  3. Step 3: Cross multiply
    35,887.96x = 53,825.54 × 10,921.96
  4. Step 4: Simplify right side
    35,887.96x = 587,880,394.86
  5. Step 5: Solve for x
    x = 587,880,394.86/35,887.96
  6. Step 6: Final answer
    x = 16,380.99

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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.