Home / 26,012.28-39,022.50-8,478.06

Finding the Fourth Proportional to 26,012.28, 39,022.50 and 8,478.06

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Solution

The fourth proportional to 26,012.28, 39,022.50 and 8,478.06 is: 12,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.28 : 39,022.50 = 8,478.06 : x
  2. Step 2: Convert to fraction form
    26,012.28/39,022.50 = 8,478.06/x
  3. Step 3: Cross multiply
    26,012.28x = 39,022.50 × 8,478.06
  4. Step 4: Simplify right side
    26,012.28x = 330,835,096.35
  5. Step 5: Solve for x
    x = 330,835,096.35/26,012.28
  6. Step 6: Final answer
    x = 12,718.42

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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.