Home / 26,816.80-40,225.20-16,902.40

Finding the Fourth Proportional to 26,816.80, 40,225.20 and 16,902.40

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Solution

The fourth proportional to 26,816.80, 40,225.20 and 16,902.40 is: 25,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.80 : 40,225.20 = 16,902.40 : x
  2. Step 2: Convert to fraction form
    26,816.80/40,225.20 = 16,902.40/x
  3. Step 3: Cross multiply
    26,816.80x = 40,225.20 × 16,902.40
  4. Step 4: Simplify right side
    26,816.80x = 679,902,420.48
  5. Step 5: Solve for x
    x = 679,902,420.48/26,816.80
  6. Step 6: Final answer
    x = 25,353.60

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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.