Home / 26,003.16-38,977.20-12,839.04

Finding the Fourth Proportional to 26,003.16, 38,977.20 and 12,839.04

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Solution

The fourth proportional to 26,003.16, 38,977.20 and 12,839.04 is: 19,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.16 : 38,977.20 = 12,839.04 : x
  2. Step 2: Convert to fraction form
    26,003.16/38,977.20 = 12,839.04/x
  3. Step 3: Cross multiply
    26,003.16x = 38,977.20 × 12,839.04
  4. Step 4: Simplify right side
    26,003.16x = 500,429,829.89
  5. Step 5: Solve for x
    x = 500,429,829.89/26,003.16
  6. Step 6: Final answer
    x = 19,244.96

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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.