Home / 26,924.80-40,411.20-15,817.60

Finding the Fourth Proportional to 26,924.80, 40,411.20 and 15,817.60

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Solution

The fourth proportional to 26,924.80, 40,411.20 and 15,817.60 is: 23,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,924.80 : 40,411.20 = 15,817.60 : x
  2. Step 2: Convert to fraction form
    26,924.80/40,411.20 = 15,817.60/x
  3. Step 3: Cross multiply
    26,924.80x = 40,411.20 × 15,817.60
  4. Step 4: Simplify right side
    26,924.80x = 639,208,197.12
  5. Step 5: Solve for x
    x = 639,208,197.12/26,924.80
  6. Step 6: Final answer
    x = 23,740.50

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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.