Home / 26,397.20-39,610.20-10,816.40

Finding the Fourth Proportional to 26,397.20, 39,610.20 and 10,816.40

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Solution

The fourth proportional to 26,397.20, 39,610.20 and 10,816.40 is: 16,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,397.20 : 39,610.20 = 10,816.40 : x
  2. Step 2: Convert to fraction form
    26,397.20/39,610.20 = 10,816.40/x
  3. Step 3: Cross multiply
    26,397.20x = 39,610.20 × 10,816.40
  4. Step 4: Simplify right side
    26,397.20x = 428,439,767.28
  5. Step 5: Solve for x
    x = 428,439,767.28/26,397.20
  6. Step 6: Final answer
    x = 16,230.50

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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.