Home / 26,600.21-39,906.16-7,881.71

Finding the Fourth Proportional to 26,600.21, 39,906.16 and 7,881.71

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Solution

The fourth proportional to 26,600.21, 39,906.16 and 7,881.71 is: 11,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.21 : 39,906.16 = 7,881.71 : x
  2. Step 2: Convert to fraction form
    26,600.21/39,906.16 = 7,881.71/x
  3. Step 3: Cross multiply
    26,600.21x = 39,906.16 × 7,881.71
  4. Step 4: Simplify right side
    26,600.21x = 314,528,740.93
  5. Step 5: Solve for x
    x = 314,528,740.93/26,600.21
  6. Step 6: Final answer
    x = 11,824.29

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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.