Home / 21,419.70-32,137.24-9,572.49

Finding the Fourth Proportional to 21,419.70, 32,137.24 and 9,572.49

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Solution

The fourth proportional to 21,419.70, 32,137.24 and 9,572.49 is: 14,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419.70 : 32,137.24 = 9,572.49 : x
  2. Step 2: Convert to fraction form
    21,419.70/32,137.24 = 9,572.49/x
  3. Step 3: Cross multiply
    21,419.70x = 32,137.24 × 9,572.49
  4. Step 4: Simplify right side
    21,419.70x = 307,633,408.53
  5. Step 5: Solve for x
    x = 307,633,408.53/21,419.70
  6. Step 6: Final answer
    x = 14,362.17

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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.