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Finding the Fourth Proportional to 17,990.58, 24,851.19 and 16,313.88

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Solution

The fourth proportional to 17,990.58, 24,851.19 and 16,313.88 is: 22,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.58 : 24,851.19 = 16,313.88 : x
  2. Step 2: Convert to fraction form
    17,990.58/24,851.19 = 16,313.88/x
  3. Step 3: Cross multiply
    17,990.58x = 24,851.19 × 16,313.88
  4. Step 4: Simplify right side
    17,990.58x = 405,419,331.52
  5. Step 5: Solve for x
    x = 405,419,331.52/17,990.58
  6. Step 6: Final answer
    x = 22,535.09

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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.