Home / 26,619.84-39,929.64-6,896.76

Finding the Fourth Proportional to 26,619.84, 39,929.64 and 6,896.76

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Solution

The fourth proportional to 26,619.84, 39,929.64 and 6,896.76 is: 10,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.84 : 39,929.64 = 6,896.76 : x
  2. Step 2: Convert to fraction form
    26,619.84/39,929.64 = 6,896.76/x
  3. Step 3: Cross multiply
    26,619.84x = 39,929.64 × 6,896.76
  4. Step 4: Simplify right side
    26,619.84x = 275,385,143.97
  5. Step 5: Solve for x
    x = 275,385,143.97/26,619.84
  6. Step 6: Final answer
    x = 10,345.11

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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.