Home / 29,342.96-40,492.92-15,914

Finding the Fourth Proportional to 29,342.96, 40,492.92 and 15,914

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Solution

The fourth proportional to 29,342.96, 40,492.92 and 15,914 is: 21,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.96 : 40,492.92 = 15,914 : x
  2. Step 2: Convert to fraction form
    29,342.96/40,492.92 = 15,914/x
  3. Step 3: Cross multiply
    29,342.96x = 40,492.92 × 15,914
  4. Step 4: Simplify right side
    29,342.96x = 644,404,328.88
  5. Step 5: Solve for x
    x = 644,404,328.88/29,342.96
  6. Step 6: Final answer
    x = 21,961.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.