Home / 26,376.72-39,556.81-7,658.06

Finding the Fourth Proportional to 26,376.72, 39,556.81 and 7,658.06

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Solution

The fourth proportional to 26,376.72, 39,556.81 and 7,658.06 is: 11,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.72 : 39,556.81 = 7,658.06 : x
  2. Step 2: Convert to fraction form
    26,376.72/39,556.81 = 7,658.06/x
  3. Step 3: Cross multiply
    26,376.72x = 39,556.81 × 7,658.06
  4. Step 4: Simplify right side
    26,376.72x = 302,928,236.18
  5. Step 5: Solve for x
    x = 302,928,236.18/26,376.72
  6. Step 6: Final answer
    x = 11,484.68

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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.