Home / 26,395.20-39,607.20-10,814.40

Finding the Fourth Proportional to 26,395.20, 39,607.20 and 10,814.40

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Solution

The fourth proportional to 26,395.20, 39,607.20 and 10,814.40 is: 16,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.20 : 39,607.20 = 10,814.40 : x
  2. Step 2: Convert to fraction form
    26,395.20/39,607.20 = 10,814.40/x
  3. Step 3: Cross multiply
    26,395.20x = 39,607.20 × 10,814.40
  4. Step 4: Simplify right side
    26,395.20x = 428,328,103.68
  5. Step 5: Solve for x
    x = 428,328,103.68/26,395.20
  6. Step 6: Final answer
    x = 16,227.50

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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.