Home / 26,858.70-40,302.45-11,277.90

Finding the Fourth Proportional to 26,858.70, 40,302.45 and 11,277.90

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Solution

The fourth proportional to 26,858.70, 40,302.45 and 11,277.90 is: 16,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.70 : 40,302.45 = 11,277.90 : x
  2. Step 2: Convert to fraction form
    26,858.70/40,302.45 = 11,277.90/x
  3. Step 3: Cross multiply
    26,858.70x = 40,302.45 × 11,277.90
  4. Step 4: Simplify right side
    26,858.70x = 454,527,000.86
  5. Step 5: Solve for x
    x = 454,527,000.86/26,858.70
  6. Step 6: Final answer
    x = 16,922.90

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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.