Home / 21,408.13-32,090.32-7,363.95

Finding the Fourth Proportional to 21,408.13, 32,090.32 and 7,363.95

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Solution

The fourth proportional to 21,408.13, 32,090.32 and 7,363.95 is: 11,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408.13 : 32,090.32 = 7,363.95 : x
  2. Step 2: Convert to fraction form
    21,408.13/32,090.32 = 7,363.95/x
  3. Step 3: Cross multiply
    21,408.13x = 32,090.32 × 7,363.95
  4. Step 4: Simplify right side
    21,408.13x = 236,311,511.96
  5. Step 5: Solve for x
    x = 236,311,511.96/21,408.13
  6. Step 6: Final answer
    x = 11,038.40

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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.