Home / 26,646.04-39,984.90-11,855.80

Finding the Fourth Proportional to 26,646.04, 39,984.90 and 11,855.80

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Solution

The fourth proportional to 26,646.04, 39,984.90 and 11,855.80 is: 17,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.04 : 39,984.90 = 11,855.80 : x
  2. Step 2: Convert to fraction form
    26,646.04/39,984.90 = 11,855.80/x
  3. Step 3: Cross multiply
    26,646.04x = 39,984.90 × 11,855.80
  4. Step 4: Simplify right side
    26,646.04x = 474,052,977.42
  5. Step 5: Solve for x
    x = 474,052,977.42/26,646.04
  6. Step 6: Final answer
    x = 17,790.75

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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.