Home / 26,209.38-39,320.14-7,489.66

Finding the Fourth Proportional to 26,209.38, 39,320.14 and 7,489.66

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Solution

The fourth proportional to 26,209.38, 39,320.14 and 7,489.66 is: 11,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209.38 : 39,320.14 = 7,489.66 : x
  2. Step 2: Convert to fraction form
    26,209.38/39,320.14 = 7,489.66/x
  3. Step 3: Cross multiply
    26,209.38x = 39,320.14 × 7,489.66
  4. Step 4: Simplify right side
    26,209.38x = 294,494,479.75
  5. Step 5: Solve for x
    x = 294,494,479.75/26,209.38
  6. Step 6: Final answer
    x = 11,236.22

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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.