Home / 21,648.69-32,399.19-13,334.45

Finding the Fourth Proportional to 21,648.69, 32,399.19 and 13,334.45

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Solution

The fourth proportional to 21,648.69, 32,399.19 and 13,334.45 is: 19,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.69 : 32,399.19 = 13,334.45 : x
  2. Step 2: Convert to fraction form
    21,648.69/32,399.19 = 13,334.45/x
  3. Step 3: Cross multiply
    21,648.69x = 32,399.19 × 13,334.45
  4. Step 4: Simplify right side
    21,648.69x = 432,025,217.10
  5. Step 5: Solve for x
    x = 432,025,217.10/21,648.69
  6. Step 6: Final answer
    x = 19,956.18

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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.