Home / 26,491.01-39,717.18-12,443.81

Finding the Fourth Proportional to 26,491.01, 39,717.18 and 12,443.81

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Solution

The fourth proportional to 26,491.01, 39,717.18 and 12,443.81 is: 18,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.01 : 39,717.18 = 12,443.81 : x
  2. Step 2: Convert to fraction form
    26,491.01/39,717.18 = 12,443.81/x
  3. Step 3: Cross multiply
    26,491.01x = 39,717.18 × 12,443.81
  4. Step 4: Simplify right side
    26,491.01x = 494,232,843.07
  5. Step 5: Solve for x
    x = 494,232,843.07/26,491.01
  6. Step 6: Final answer
    x = 18,656.63

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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.