Home / 21,477.33-29,640.20-12,046.50

Finding the Fourth Proportional to 21,477.33, 29,640.20 and 12,046.50

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Solution

The fourth proportional to 21,477.33, 29,640.20 and 12,046.50 is: 16,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.33 : 29,640.20 = 12,046.50 : x
  2. Step 2: Convert to fraction form
    21,477.33/29,640.20 = 12,046.50/x
  3. Step 3: Cross multiply
    21,477.33x = 29,640.20 × 12,046.50
  4. Step 4: Simplify right side
    21,477.33x = 357,060,609.07
  5. Step 5: Solve for x
    x = 357,060,609.07/21,477.33
  6. Step 6: Final answer
    x = 16,625.00

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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.