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Finding the Fourth Proportional to 17,086.40, 25,586.40 and 16,308.80

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Solution

The fourth proportional to 17,086.40, 25,586.40 and 16,308.80 is: 24,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.40 : 25,586.40 = 16,308.80 : x
  2. Step 2: Convert to fraction form
    17,086.40/25,586.40 = 16,308.80/x
  3. Step 3: Cross multiply
    17,086.40x = 25,586.40 × 16,308.80
  4. Step 4: Simplify right side
    17,086.40x = 417,283,480.32
  5. Step 5: Solve for x
    x = 417,283,480.32/17,086.40
  6. Step 6: Final answer
    x = 24,421.97

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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.