Home / 28,792.88-39,654.72-24,812.56

Finding the Fourth Proportional to 28,792.88, 39,654.72 and 24,812.56

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Solution

The fourth proportional to 28,792.88, 39,654.72 and 24,812.56 is: 34,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.88 : 39,654.72 = 24,812.56 : x
  2. Step 2: Convert to fraction form
    28,792.88/39,654.72 = 24,812.56/x
  3. Step 3: Cross multiply
    28,792.88x = 39,654.72 × 24,812.56
  4. Step 4: Simplify right side
    28,792.88x = 983,935,119.28
  5. Step 5: Solve for x
    x = 983,935,119.28/28,792.88
  6. Step 6: Final answer
    x = 34,172.86

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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.