Home / 21,642.41-32,444.03-8,491.25

Finding the Fourth Proportional to 21,642.41, 32,444.03 and 8,491.25

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Solution

The fourth proportional to 21,642.41, 32,444.03 and 8,491.25 is: 12,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.41 : 32,444.03 = 8,491.25 : x
  2. Step 2: Convert to fraction form
    21,642.41/32,444.03 = 8,491.25/x
  3. Step 3: Cross multiply
    21,642.41x = 32,444.03 × 8,491.25
  4. Step 4: Simplify right side
    21,642.41x = 275,490,408.39
  5. Step 5: Solve for x
    x = 275,490,408.39/21,642.41
  6. Step 6: Final answer
    x = 12,729.19

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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.