Home / 26,389.80-39,548.04-12,334.68

Finding the Fourth Proportional to 26,389.80, 39,548.04 and 12,334.68

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Solution

The fourth proportional to 26,389.80, 39,548.04 and 12,334.68 is: 18,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.80 : 39,548.04 = 12,334.68 : x
  2. Step 2: Convert to fraction form
    26,389.80/39,548.04 = 12,334.68/x
  3. Step 3: Cross multiply
    26,389.80x = 39,548.04 × 12,334.68
  4. Step 4: Simplify right side
    26,389.80x = 487,812,418.03
  5. Step 5: Solve for x
    x = 487,812,418.03/26,389.80
  6. Step 6: Final answer
    x = 18,484.88

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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.