Home / 26,403.01-39,613.36-8,634.49

Finding the Fourth Proportional to 26,403.01, 39,613.36 and 8,634.49

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Solution

The fourth proportional to 26,403.01, 39,613.36 and 8,634.49 is: 12,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.01 : 39,613.36 = 8,634.49 : x
  2. Step 2: Convert to fraction form
    26,403.01/39,613.36 = 8,634.49/x
  3. Step 3: Cross multiply
    26,403.01x = 39,613.36 × 8,634.49
  4. Step 4: Simplify right side
    26,403.01x = 342,041,160.79
  5. Step 5: Solve for x
    x = 342,041,160.79/26,403.01
  6. Step 6: Final answer
    x = 12,954.63

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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.