Home / 26,229.69-39,354.26-12,197.25

Finding the Fourth Proportional to 26,229.69, 39,354.26 and 12,197.25

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Solution

The fourth proportional to 26,229.69, 39,354.26 and 12,197.25 is: 18,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.69 : 39,354.26 = 12,197.25 : x
  2. Step 2: Convert to fraction form
    26,229.69/39,354.26 = 12,197.25/x
  3. Step 3: Cross multiply
    26,229.69x = 39,354.26 × 12,197.25
  4. Step 4: Simplify right side
    26,229.69x = 480,013,747.79
  5. Step 5: Solve for x
    x = 480,013,747.79/26,229.69
  6. Step 6: Final answer
    x = 18,300.40

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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.