Home / 26,600.79-39,906.96-13,280.95

Finding the Fourth Proportional to 26,600.79, 39,906.96 and 13,280.95

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Solution

The fourth proportional to 26,600.79, 39,906.96 and 13,280.95 is: 19,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.79 : 39,906.96 = 13,280.95 : x
  2. Step 2: Convert to fraction form
    26,600.79/39,906.96 = 13,280.95/x
  3. Step 3: Cross multiply
    26,600.79x = 39,906.96 × 13,280.95
  4. Step 4: Simplify right side
    26,600.79x = 530,002,340.41
  5. Step 5: Solve for x
    x = 530,002,340.41/26,600.79
  6. Step 6: Final answer
    x = 19,924.31

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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.