Home / 26,173.80-39,201.84-20,312.64

Finding the Fourth Proportional to 26,173.80, 39,201.84 and 20,312.64

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Solution

The fourth proportional to 26,173.80, 39,201.84 and 20,312.64 is: 30,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.80 : 39,201.84 = 20,312.64 : x
  2. Step 2: Convert to fraction form
    26,173.80/39,201.84 = 20,312.64/x
  3. Step 3: Cross multiply
    26,173.80x = 39,201.84 × 20,312.64
  4. Step 4: Simplify right side
    26,173.80x = 796,292,863.26
  5. Step 5: Solve for x
    x = 796,292,863.26/26,173.80
  6. Step 6: Final answer
    x = 30,423.28

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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.