Home / 26,189.40-39,298.50-12,338.04

Finding the Fourth Proportional to 26,189.40, 39,298.50 and 12,338.04

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Solution

The fourth proportional to 26,189.40, 39,298.50 and 12,338.04 is: 18,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.40 : 39,298.50 = 12,338.04 : x
  2. Step 2: Convert to fraction form
    26,189.40/39,298.50 = 12,338.04/x
  3. Step 3: Cross multiply
    26,189.40x = 39,298.50 × 12,338.04
  4. Step 4: Simplify right side
    26,189.40x = 484,866,464.94
  5. Step 5: Solve for x
    x = 484,866,464.94/26,189.40
  6. Step 6: Final answer
    x = 18,513.84

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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.