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Finding the Fourth Proportional to 17,505.59, 26,270.05 and 9,079.86

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Solution

The fourth proportional to 17,505.59, 26,270.05 and 9,079.86 is: 13,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505.59 : 26,270.05 = 9,079.86 : x
  2. Step 2: Convert to fraction form
    17,505.59/26,270.05 = 9,079.86/x
  3. Step 3: Cross multiply
    17,505.59x = 26,270.05 × 9,079.86
  4. Step 4: Simplify right side
    17,505.59x = 238,528,244.84
  5. Step 5: Solve for x
    x = 238,528,244.84/17,505.59
  6. Step 6: Final answer
    x = 13,625.84

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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.