Home / 22,560.96-31,120.56-16,608

Finding the Fourth Proportional to 22,560.96, 31,120.56 and 16,608

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Solution

The fourth proportional to 22,560.96, 31,120.56 and 16,608 is: 22,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.96 : 31,120.56 = 16,608 : x
  2. Step 2: Convert to fraction form
    22,560.96/31,120.56 = 16,608/x
  3. Step 3: Cross multiply
    22,560.96x = 31,120.56 × 16,608
  4. Step 4: Simplify right side
    22,560.96x = 516,850,260.48
  5. Step 5: Solve for x
    x = 516,850,260.48/22,560.96
  6. Step 6: Final answer
    x = 22,909.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.