Home / 17,727.26-26,590.80-5,247.35

Finding the Fourth Proportional to 17,727.26, 26,590.80 and 5,247.35

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Solution

The fourth proportional to 17,727.26, 26,590.80 and 5,247.35 is: 7,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.26 : 26,590.80 = 5,247.35 : x
  2. Step 2: Convert to fraction form
    17,727.26/26,590.80 = 5,247.35/x
  3. Step 3: Cross multiply
    17,727.26x = 26,590.80 × 5,247.35
  4. Step 4: Simplify right side
    17,727.26x = 139,531,191.30
  5. Step 5: Solve for x
    x = 139,531,191.30/17,727.26
  6. Step 6: Final answer
    x = 7,871.00

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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.