Home / 29,228.96-40,330-16,650.40

Finding the Fourth Proportional to 29,228.96, 40,330 and 16,650.40

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Solution

The fourth proportional to 29,228.96, 40,330 and 16,650.40 is: 22,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,228.96 : 40,330 = 16,650.40 : x
  2. Step 2: Convert to fraction form
    29,228.96/40,330 = 16,650.40/x
  3. Step 3: Cross multiply
    29,228.96x = 40,330 × 16,650.40
  4. Step 4: Simplify right side
    29,228.96x = 671,510,632
  5. Step 5: Solve for x
    x = 671,510,632/29,228.96
  6. Step 6: Final answer
    x = 22,974.15

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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.