Home / 26,497.92-39,745.65-7,777.20

Finding the Fourth Proportional to 26,497.92, 39,745.65 and 7,777.20

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Solution

The fourth proportional to 26,497.92, 39,745.65 and 7,777.20 is: 11,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,497.92 : 39,745.65 = 7,777.20 : x
  2. Step 2: Convert to fraction form
    26,497.92/39,745.65 = 7,777.20/x
  3. Step 3: Cross multiply
    26,497.92x = 39,745.65 × 7,777.20
  4. Step 4: Simplify right side
    26,497.92x = 309,109,869.18
  5. Step 5: Solve for x
    x = 309,109,869.18/26,497.92
  6. Step 6: Final answer
    x = 11,665.44

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1.5x scale

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.