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Finding the Fourth Proportional to 40,411.80, 60,617.70 and 10,828.89

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Solution

The fourth proportional to 40,411.80, 60,617.70 and 10,828.89 is: 16,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.80 : 60,617.70 = 10,828.89 : x
  2. Step 2: Convert to fraction form
    40,411.80/60,617.70 = 10,828.89/x
  3. Step 3: Cross multiply
    40,411.80x = 60,617.70 × 10,828.89
  4. Step 4: Simplify right side
    40,411.80x = 656,422,405.35
  5. Step 5: Solve for x
    x = 656,422,405.35/40,411.80
  6. Step 6: Final answer
    x = 16,243.34

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1.5x scale

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.