Home / 26,792.72-40,123.46-18,875.78

Finding the Fourth Proportional to 26,792.72, 40,123.46 and 18,875.78

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Solution

The fourth proportional to 26,792.72, 40,123.46 and 18,875.78 is: 28,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,792.72 : 40,123.46 = 18,875.78 : x
  2. Step 2: Convert to fraction form
    26,792.72/40,123.46 = 18,875.78/x
  3. Step 3: Cross multiply
    26,792.72x = 40,123.46 × 18,875.78
  4. Step 4: Simplify right side
    26,792.72x = 757,361,308.80
  5. Step 5: Solve for x
    x = 757,361,308.80/26,792.72
  6. Step 6: Final answer
    x = 28,267.43

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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.