Home / 29,220.74-40,324.62-15,792.02

Finding the Fourth Proportional to 29,220.74, 40,324.62 and 15,792.02

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Solution

The fourth proportional to 29,220.74, 40,324.62 and 15,792.02 is: 21,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.74 : 40,324.62 = 15,792.02 : x
  2. Step 2: Convert to fraction form
    29,220.74/40,324.62 = 15,792.02/x
  3. Step 3: Cross multiply
    29,220.74x = 40,324.62 × 15,792.02
  4. Step 4: Simplify right side
    29,220.74x = 636,807,205.53
  5. Step 5: Solve for x
    x = 636,807,205.53/29,220.74
  6. Step 6: Final answer
    x = 21,792.99

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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.