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Finding the Fourth Proportional to 26,250.40, 39,404.40 and 16,400.80

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Solution

The fourth proportional to 26,250.40, 39,404.40 and 16,400.80 is: 24,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,250.40 : 39,404.40 = 16,400.80 : x
  2. Step 2: Convert to fraction form
    26,250.40/39,404.40 = 16,400.80/x
  3. Step 3: Cross multiply
    26,250.40x = 39,404.40 × 16,400.80
  4. Step 4: Simplify right side
    26,250.40x = 646,263,683.52
  5. Step 5: Solve for x
    x = 646,263,683.52/26,250.40
  6. Step 6: Final answer
    x = 24,619.19

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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.