Home / 26,653.75-39,980.84-9,123.73

Finding the Fourth Proportional to 26,653.75, 39,980.84 and 9,123.73

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Solution

The fourth proportional to 26,653.75, 39,980.84 and 9,123.73 is: 13,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.75 : 39,980.84 = 9,123.73 : x
  2. Step 2: Convert to fraction form
    26,653.75/39,980.84 = 9,123.73/x
  3. Step 3: Cross multiply
    26,653.75x = 39,980.84 × 9,123.73
  4. Step 4: Simplify right side
    26,653.75x = 364,774,389.33
  5. Step 5: Solve for x
    x = 364,774,389.33/26,653.75
  6. Step 6: Final answer
    x = 13,685.67

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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.