Home / 17,776.72-26,668.93-5,297.75

Finding the Fourth Proportional to 17,776.72, 26,668.93 and 5,297.75

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Solution

The fourth proportional to 17,776.72, 26,668.93 and 5,297.75 is: 7,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.72 : 26,668.93 = 5,297.75 : x
  2. Step 2: Convert to fraction form
    17,776.72/26,668.93 = 5,297.75/x
  3. Step 3: Cross multiply
    17,776.72x = 26,668.93 × 5,297.75
  4. Step 4: Simplify right side
    17,776.72x = 141,285,341.72
  5. Step 5: Solve for x
    x = 141,285,341.72/17,776.72
  6. Step 6: Final answer
    x = 7,947.77

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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.