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Finding the Fourth Proportional to 17,955, 26,935.42 and 5,306.04

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Solution

The fourth proportional to 17,955, 26,935.42 and 5,306.04 is: 7,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955 : 26,935.42 = 5,306.04 : x
  2. Step 2: Convert to fraction form
    17,955/26,935.42 = 5,306.04/x
  3. Step 3: Cross multiply
    17,955x = 26,935.42 × 5,306.04
  4. Step 4: Simplify right side
    17,955x = 142,920,402.67
  5. Step 5: Solve for x
    x = 142,920,402.67/17,955
  6. Step 6: Final answer
    x = 7,959.92

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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.