Home / 29,220.86-40,324.98-15,792.09

Finding the Fourth Proportional to 29,220.86, 40,324.98 and 15,792.09

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Solution

The fourth proportional to 29,220.86, 40,324.98 and 15,792.09 is: 21,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.86 : 40,324.98 = 15,792.09 : x
  2. Step 2: Convert to fraction form
    29,220.86/40,324.98 = 15,792.09/x
  3. Step 3: Cross multiply
    29,220.86x = 40,324.98 × 15,792.09
  4. Step 4: Simplify right side
    29,220.86x = 636,815,496.20
  5. Step 5: Solve for x
    x = 636,815,496.20/29,220.86
  6. Step 6: Final answer
    x = 21,793.18

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1.5x scale

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.