Home / 26,550.38-39,816.08-8,777.74

Finding the Fourth Proportional to 26,550.38, 39,816.08 and 8,777.74

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Solution

The fourth proportional to 26,550.38, 39,816.08 and 8,777.74 is: 13,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.38 : 39,816.08 = 8,777.74 : x
  2. Step 2: Convert to fraction form
    26,550.38/39,816.08 = 8,777.74/x
  3. Step 3: Cross multiply
    26,550.38x = 39,816.08 × 8,777.74
  4. Step 4: Simplify right side
    26,550.38x = 349,495,198.06
  5. Step 5: Solve for x
    x = 349,495,198.06/26,550.38
  6. Step 6: Final answer
    x = 13,163.47

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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.