Home / 17,771.29-26,655.84-5,291.35

Finding the Fourth Proportional to 17,771.29, 26,655.84 and 5,291.35

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Solution

The fourth proportional to 17,771.29, 26,655.84 and 5,291.35 is: 7,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.29 : 26,655.84 = 5,291.35 : x
  2. Step 2: Convert to fraction form
    17,771.29/26,655.84 = 5,291.35/x
  3. Step 3: Cross multiply
    17,771.29x = 26,655.84 × 5,291.35
  4. Step 4: Simplify right side
    17,771.29x = 141,045,378.98
  5. Step 5: Solve for x
    x = 141,045,378.98/17,771.29
  6. Step 6: Final answer
    x = 7,936.70

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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.