Home / 26,455.05-39,682.58-20,616.03

Finding the Fourth Proportional to 26,455.05, 39,682.58 and 20,616.03

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Solution

The fourth proportional to 26,455.05, 39,682.58 and 20,616.03 is: 30,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.05 : 39,682.58 = 20,616.03 : x
  2. Step 2: Convert to fraction form
    26,455.05/39,682.58 = 20,616.03/x
  3. Step 3: Cross multiply
    26,455.05x = 39,682.58 × 20,616.03
  4. Step 4: Simplify right side
    26,455.05x = 818,097,156.68
  5. Step 5: Solve for x
    x = 818,097,156.68/26,455.05
  6. Step 6: Final answer
    x = 30,924.05

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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.